“Bite-Size Bits of Local, National, and Global History”
“Bite-Size Bits of Local, National, and Global History”

Natural Features Historical Markers

1333 markers matched your search criteria. The first 200 markers are listed. Next 1133
City of Foley Camellia Walk Marker image, Touch for more information
By Sandra Hughes, December 7, 2011
City of Foley Camellia Walk Marker
Alabama (Baldwin County), Foley — City of Foley Camellia Walk
The camellia, is often called the Queen of winter flowers, is the state flower of Alabama. Originally from the Orient, the camellia made its way to Europe in the 1600s, then to America and Australia in the 1700s. It now flourishes in the southern . . . — Map (db m50411) HM
Alabama (Baldwin County), Gulf Shores — Here ends the Alabama Scenic River Trail
Historic 650 miles Water Route along the Coosa, Alabama and Mobile Rivers _________ Beginning on the Coosa River at the Alabama-Georgia State Line Established 2007 — Map (db m122443) HM
Alabama (Blount County), Oneonta — Champion Mines
John Hanby came in 1817 and found a rich seam of brown iron ore. Named Champion in 1882 when Henry DeBardeleben and James Sloss bought land and brought L&N Railroad causing county seat to be moved from Blountsville to Oneonta in 1889. Most ore was . . . — Map (db m28362) HM
Alabama (Colbert County), Tuscumbia — Petrified Conifer Tree / Petrified Lycopod Tree Stump
Plaque A 85-90 Million Years Old Possibly a Bald Cypress from the Cretaceous Period or the Age of Dinosaurs Plaque B 325 Million Years Old A Member of the Giant Club Mosses from the early Coal Age — Map (db m29287) HM
Alabama (Jackson County), Woodville — Cathedral Caverns
Cathedral Caverns has been designated a Registered Natural Landmark under the provisions of the Historic Sites Act of August 21, 1935 This site possesses exceptional value in illustrating the natural history of the . . . — Map (db m76233) HM
Alabama (Jefferson County), Clay — The Cahaba Heart River of Alabama
On Cahaba Mountain to the NW, springs form a fragile stream that grows as it carves through the steep, rocky terrain of Birmingham suburbs, flowing south on the Gulf Coastal Plain to the Alabama River, at the site of Alabama's first capital, . . . — Map (db m25110) HM
Alabama (Jefferson County), Pinson — Pinson, Alabama
Pinson, one of Alabama’s oldest communities, was settled by General Andrew Jackson’s soldiers in the early 1800s, after victory at Horseshoe Bend during the War of 1812. The community was originally known as Hagood’s Crossroads for settler Zachariah . . . — Map (db m88406) HM
Alabama (Lauderdale County), Florence — Prehistoric Mound(Probably Built Between 100 B.C and 400 A.D.)
This is the highest domiciliary mound in the Tennessee Valley. It was probably built between 100 B.C. and 400 A.D. by a prehistoric people of the ancient Woodland Culture. Such mounds served as bases for ceremonial temples or chief's houses. This . . . — Map (db m28457) HM
Alabama (Lauderdale County), Waterloo — Rock Spring
Rock Spring Nature Trail offers you an opportunity to explore a small natural spring as it bubbles forth from the ground. Small fish dart about a deep pool created as the stream wandered through rich bottomland soil and limestone rock. Vegetation . . . — Map (db m84703) HM
Alabama (Madison County), Huntsville — Burritt Museum
Situated on 167 acres of some of the most scenic land in North Alabama, the museum and its grounds contain items of local and national interest. This property was willed to the City of Huntsville in 1955 by Dr. William Henry Burritt . . . — Map (db m27876) HM
Alabama (Madison County), Huntsville — Old Town Historic District
Designated by the City of Huntsville, Alabama on December 12, 1974 as a Huntsville historic district, it contains houses dating from 1828 onward with the majority dating from 1880 to 1929. Approximate boundaries: East Clinton Avenue north to . . . — Map (db m30381) HM
Alabama (Marengo County), Demopolis — White Bluff
Composed of limestone or “Selma chalk” which abounds in fossils. Called “Ecor Blanc” by eighteenth-century French explorers and cartographers. Named “Chickasaw Gallery” because early Indian inhabitants . . . — Map (db m38001) HM
Alabama (Mobile County), Grand Bay — William Bartram TrailTraced 1773-1777 — Deep South Region —
In 1775, William Bartram, Colonial naturalist, visited Mobile and environs recording flora, fauna, land areas, and rivers. — Map (db m102188) HM
Alabama (Talladega County), Childersburg — DeSoto Caverns
Named for the famous Spanish explorer who traveled through this area in 1540. Over its rich history it offered shelter for native Indians for centuries (a 2,000-year-old Woodland Period burial was excavated by archeologists in the mid-1960s), . . . — Map (db m45034) HM
Alabama (Tuscaloosa County), Tuscaloosa — Burns’ Shoals
The remains of Burns' Shoals now lie nearly 40 feet underwater. This rock outcropping was the first of the shoals known as the "Falls of Tuscaloosa" and represents the "Fall Line" or contact point of the Coastal Plain and the Appalachian Plateau, . . . — Map (db m28904) HM
Alabama (Tuscaloosa County), Tuscaloosa — Marr’s Spring
Part of Marr’s Field, on farmland owned by William Marr, this spring was a major factor in the selection of this site for the University of Alabama campus in 1827. From its opening in 1831 well into the 20th century, the institution relied upon . . . — Map (db m40388) HM
Arizona (Apache County), Chambers — Badlands
Geologists call eroded landscapes such as the Painted Desert "badlands." Summer thunderstorms and winter snowmelt carve the shale and sandstone into mazes of sharp ridges, steep hillsides, and deep V-shaped gullies. Practically waterless, badlands . . . — Map (db m72923) HM
Arizona (Apache County), Chambers — Painted Desert / Finding Fossils
The colorful mesas, buttes, and badlands before you compose a natural work of art--the Painted Desert. Wind and running water cut these features from the Chinle Formation deposited over 200 million years ago when this area was a vast inland . . . — Map (db m72925) HM
Arizona (Apache County), Window Rock — In Remembrance of Our Warriors / Navajo Warrior Memorial
In Remembrance of Our Warriors Who Made the Ultimate Sacrifice and/or Missing in Action, They will never be forgotten and to us they will always be young in our thoughts. Nelson Lewis • Walter Nelson • Willie A. Notah • Edie . . . — Map (db m27911) HM
Arizona (Cochise County), Bowie — 086-352 — Old Fort BowieGuardian of Apache Pass
Established 1862 following the Battle of Apache Pass, largest conflict in Arizona Indian Wars. Massed Apaches under Cochise and Mangas Coloradas were routed by howitzers fired by California Volunteers attacked in the pass. Fort Bowie overlooked . . . — Map (db m6994) HM
Arizona (Coconino County), Flagstaff — Telephone Exchange1909
This building was constructed in 1909 by John W. Weatherford, the man who earlier built the adjacent Weatherford Hotel. It was the headquarters for the Arizona Overland Telephone Company, housing its offices and physical plant. Construction . . . — Map (db m59966) HM
Arizona (Coconino County), Flagstaff — The Citadel / Natural Features
The Citadel It was a remarkable achievement, to use primitive mortar and local stones to build the walls above you straight up from the edge of the top of the rock. “The Citadel” is the modern name given to this ruin because . . . — Map (db m60087) HM
Arizona (Coconino County), Sunset Crater Volcano National Monument — As Powerful as a Volcano
Cinder cones erode easily and scars are slow to heal. In 1973, Sunset Crater was closed to climbing when 2-foot-wide trails eroded to 60-foot-wide swaths. Tons of cinder were shoveled back up the cone to fill hip-deep trenches. Notice the scars . . . — Map (db m41676) HM
Arizona (Coconino County), Sunset Crater Volcano National Monument — Life and Landscape Transformed
The landscape before you has existed on Earth for less than 1,000 years, less time than Romanesque architecture or paper money. Consequently, this environment has unique scientific value. Geologists come here to study weathering processes and . . . — Map (db m41691) HM
Arizona (Coconino County), Sunset Crater Volcano National Monument — The Birth of a Mountain
About 1,000 years ago, something spectacular happened in the lives of local Native peoples. Perhaps they first observed a change in animal behavior. Maybe they noticed the ground warming. Then the tremors increased in number and intensity. By the . . . — Map (db m41689) HM
Arizona (Mohave County), Fredonia — How Can 10 Million Gallons of Water a Year Suddenly Appear in a Stony Desert? — Pipe Spring National Monument —
The answer lies buried in the white and red rocks you can see ahead. Here about 90 percent of any rain and snow is absorbed by plants or quickly evaporates. Only 10 percent of Pipe Spring’s precipitation soaks into the light-colored rock you see at . . . — Map (db m149469) HM
Arizona (Mohave County), Fredonia — Remnants of a Frozen Sahara — Pipe Spring National Monument —
The pale rock you see here is Navajo sandstone. This rock caps the top of the Vermilion Cliffs for more than 80 miles. Navajo sandstone also forms the high canyon walls at Zion National Park. Imagine an enormous Sahara-like desert, full of . . . — Map (db m149385) HM
Arizona (Navajo County), Holbrook — A Gap in the Geologic Record
The black basalt that caps the cliffs before you stands in stark contrast to the colorful Chinle Formation visible throughout the Painted Desert. Below this layer of basalt, a horizontal line cuts across the face of the mesa and separates rocks . . . — Map (db m68901) HM
Arizona (Navajo County), Holbrook — Desert Vistas
From Pintado Point, vistas of remarkable clarity extend far beyond boundaries because the air quality in the surrounding Petrified Forest is among the purest in the continental United States. At times, the San Francisco Peaks, 120 miles (193 km) . . . — Map (db m68903) HM
Arizona (Navajo County), Holbrook — From Wood to Stone
Approximately 225 million years ago, during the Triassic Period, a floodplain existed here – littered with fallen trees. Periodic flooding buried the logs beneath layers of silt. Over time, silica-laden waters filtered through these deposits . . . — Map (db m68870) HM
Arizona (Navajo County), Holbrook — Jasper Forest
The petrified wood strewn in the valley below was once encased in the bluffs around you. When erosional forces removed the softer rocks, the petrified wood tumbled and accumulated on the valley floor. Once filled with fallen logs, Jasper Forest was . . . — Map (db m68871) HM
Arizona (Navajo County), Holbrook — Painted Desert Community Complex Historic District
. . . — Map (db m36387) HM
Arizona (Navajo County), Holbrook — The Painted Desert
The Painted Desert stretches before you as an outdoor museum of fossilized plants and animals. Its striking colors emanate from the Chinle Formation of the Late Triassic, which has been eroded by the Little Colorado River drainage system. An . . . — Map (db m68896) HM
Arizona (Navajo County), Holbrook — Triassic Landscape
The dry plateau lands of this region today are far different from the tree-littered floodplains of 225 million years ago during the geologic period called the Triassic. Imagine a forested Triassic land where crocodile-like phytosaurs inhabited the . . . — Map (db m68868) HM
Arizona (Navajo County), Shonto — A Relict ForestNavajo National Monument
Before you lies a small tributary of the Tsegi Canyon watershed. A quaking aspen grove graces the canyon floor, while the north-facing cliff (right) offers shady habitat for towering Douglas-fir trees. Thriving here in this desert wilderness is . . . — Map (db m144450) HM
Arizona (Navajo County), Shonto — Upside-down MountainNavajo National Monument
Hidden away in Tsegi Canyon’s wilderness of bare rock, sand, and sparse vegetation are surprising pockets of luxuriant growth. Betatakin Canyon—home to a village of prehistoric cliff-dwellings farmers—is one of these oases. Fir Canyon, . . . — Map (db m71514) HM
Arizona (Navajo County), Winslow — Sunset Crossing
This crossing, first noted early in the 1850s in journals and maps of explorers along the 35th parallel, is the only convergence of major travel routes on the Little Colorado River. It lies on the trail used by Mormon immigrants journeying from Utah . . . — Map (db m32722) HM
Arizona (Pima County), Tucson — Sentinel Peak
Used as a lookout and for signal fires by the Indians prior to and since 1692 and later by early settlers — Map (db m38401) HM
Arizona (Pima County), Vail — Colossal Cave Mountain Park
This Property has been placed on the National Register of Historic Places By the United States Department of the Interior Colossal Cave Mountain Park 1934 — Map (db m30613) HM
Arizona (Yavapai County), Sedona — Wilson Mtn. TrailNational Recreational Trail
Richard Wilson was an old bear hunter who lived at Indian Gardens. In 1885 he was killed by a large grizzly bear in what is now known as Wilson Canyon. — Map (db m99272) HM
Arkansas (Arkansas County), Arkansas Post — The Post of Arkansas
Here on the Grand Prairie you tread on soil laid down over the centuries as the mighty Mississippi and Arkansas Rivers brought down their precious cargoes of silt from the northern uplands. The footprints of many were pressed into this . . . — Map (db m108486) HM
Arkansas (Carroll County), Eureka Springs — Calif SpringSouth Main

Calif Spring was originally called Table Rock Spring, named for the rock formation above the spring area. This area was set aside as a spring reservation in 1886 by City Ordinance. S. L. Calif established a residence and general store next to . . . — Map (db m90703) HM

Arkansas (Clay County), St. Francis — Chalk Bluff
Named for the white clay which resembles chalk, this magnificent bluff is one of the most important historical landmarks in Arkansas. At this point the St. Francis River cuts through Crowley's Ridge from west to east and forms the boundary between . . . — Map (db m18136) HM
Arkansas (Crawford County), Van Buren — Log Town Hill
The residents of Log Town were witness to the retreat of the Rebel army through Van Buren and onward through their settlement. High on Log Town Hill the community watched as masses of Southern soldiers crowded the hill trying desperately to reach . . . — Map (db m96614) HM
Arkansas (Garland County), Hot Springs — Hot Springs
After 1877 when the title to the springs was finally vested in the federal government by the Supreme Court, Congress began to take an active interest in the Hot Springs Reservation. In 1921 the Reservation officially became Hot Springs National Park. — Map (db m103164) HM
Arkansas (Jefferson County), Pine Bluff — Bayou Bartholomew
Beginning 10 miles northwest of Pine Bluff, this storied bayou flows 300 miles through 6 Arkansas counties and 2 Louisiana parishes before emptying into the Ouachita River in north Louisiana. Indian mounds dotted its banks. Immigrants travelled it . . . — Map (db m30581) HM
Arkansas (Phillips County), Helena — Battery A
Union forces entrenched on this hill held off repeated assaults by Confederate troops under CSA General Marmaduke on the morning of July 4, 1863, in their attack on Helena. CSA General Marsh Walker's Cavalry Brigade, consisting of the 5th Arkansas . . . — Map (db m107784) HM
Arkansas (Phillips County), Helena — Battery D
Hindman Hill, southernmost of four positions fortified by Union Forces in June, 1863, was attacked by the 35th, 37th, and Hawthorn's Arkansas Infantry Regiments under General Fagan, CSA at daybreak, July 4, 1863. Thwarted by the strength of the . . . — Map (db m107791) HM
Arkansas (Pike County), Murfreesboro — B-26 — Pike County Diamond Mines
Two and a half miles southeast of this point is the only locality in North America where diamonds have been found in the rock in which they were formed. They have been found principally in one igneous pipe which, with three small pipes, aggregates . . . — Map (db m121290) HM
Arkansas (Pulaski County), Jacksonville — The Memphis to Little Rock RailroadSamson Gray Helps Link the State Capital with the Mississippi
One of the largest public works projects to take place in territorial Arkansas was construction of the Memphis to Little Rock Road, an ambitious effort to allow travelers to cross the dense swamps and Grand Prairie of east Arkansas to . . . — Map (db m116571) HM
Arkansas (Pulaski County), Little Rock — One Old RockLa Petite Roche Historical Walk
La Petite Roche ("the Little Rock") refers to the rock outcropping on the Arkansas River used as a navigation point during the early exploration of what would become the state of Arkansas. Sometimes called the Point of Rocks, it is the first . . . — Map (db m116556) HM
Arkansas (Pulaski County), Little Rock — Smaller Rock, Big BridgeLa Petite Roche Historical Walk
Post-Civil War, railroads became vital to the Arkansas economy. Point of Rocks was a natural support for a railroad bridge on the river. In October 1872, construction began at the Little Rock with several tons of rock removed from the . . . — Map (db m116541) HM
Arkansas (Pulaski County), Little Rock — The Big Rock and the Little RockLa Petite Roche Historical Walk
Jean-Baptiste Bénard de La Harpe was the first European explorer to record the existence of a large rocky bluff on the north bank of the Arkansas River. According to his journal, La Harpe named it le Rocher Français ("the French Rock") on . . . — Map (db m116558) HM
Arkansas (Pulaski County), Little Rock — Witness to RemovalLa Petite Roche Historical Walk
In 1818, the U.S. policy on Indian Removal restricted the Quapaw to a reservation in Arkansas. The western boundary, or Quapaw Line, began at "the Little Rock." This was perhaps the first official use of the name Little Rock. In 1824, a new . . . — Map (db m116565) HM
Arkansas (Searcy County), Marshall — Devils Backbone Road Cut-Geology / Construction
Devils Backbone Road Cut-Geology This road cut exposes the upper Fayetteville Shale, and overlying lower Pitkin Limestone deposited in a shallow sea covering the southern Ozark region as the Mississippian Geological Period ended. As . . . — Map (db m143764) HM
California (Alameda County), Berkeley — Indian RockBerkeley History
Outcroppings of weathered rock are a prominent feature of the Berkeley Hills, providing evidence of this area’s complex geological past. Composed of Northbrae rhyolite, Indian Rock is an ancient volcanic remnant. Native Ohlone communities gathered . . . — Map (db m53852) HM
California (Alameda County), Berkeley — Live Oak Park1914 — Berkeley History —
Live Oak Park was created in 1914 when the City of Berkeley purchased four acres from landowners R.S. Penniman and Michael O’Toole. Mr. Penniman’s brown shingle house served as the park clubhouse and also, from 1916-1936, as Berkeley’s North Branch . . . — Map (db m54190) HM
California (Alameda County), Berkeley — Thousand Oaks Neighborhood and UrnsCirca 1909-1910 — Mark Daniels, Landscape Engineer —
Berkeley History In the early 1900s, the natural beauty of this undeveloped district, with dramatic rock outcroppings and ancient oaks made it a favorite destination for picnickers and hikers. After a campaign to make the area a city park . . . — Map (db m53848) HM
California (Alameda County), Piedmont — Sulphur Springs GrottoThe Healing Powers of Mineral Springs
The first recorded visitor to the sulphur springs grotto is Isaac Holmes, a retired U.S. Senator from South Carolina, who reportedly installed a bathtub in Bushy Dell canyon in the early 1860s in order to take alfresco baths for his rheumatism. . . . — Map (db m72378) HM
California (Alpine County), Kirkwood — Caples Lake
In 1849 Dr. James Caples passed through here on his way to California’s gold country. After a brief stay in Old Hangtown (Placerville) Caples remembered the lake and returned here with his family to establish a way station that served weary . . . — Map (db m11048) HM
California (Alpine County), Kirkwood — Summer Retreat
In 1849 Mary Jane Walker Caples, along with her brother, husband James, and baby daughter Isabella, traveled overland by wagon to the gold fields of California. The Caples went to “Hangtown,” (Placerville,CA) to seek their fortune. James . . . — Map (db m44987) HM
California (Alpine County), Markleeville — Grover Hot Springs
Telltale signs of geologic activity surround Grover Hot Springs State Park. Bold granite peaks to the northwest are the work of immense mountain building forces. Old lava flows cover hundreds of square miles to the east, giving the Markleeville area . . . — Map (db m13239) HM
California (Amador County), Volcano — Volcano Masonic Cave
In Memory of the Bryant Brothers Clemens E. Bryant, Thomas L. Bryant, Roy Bryant and Walter F. Bryant Whose surviving relatives deeded this property to Volcano Lodge No. 56 F. & A. M. on June 20, 1962. Our pioneer . . . — Map (db m15824) HM
California (Butte County), Oroville — Bald Rock Dome
Bald Rock Dome was formed from a large body of melted rocks (called the Bald Rock Pluton) deep in the earth's crust. The Bald Rock Pluton is two miles wide, and was formed approximately 140 million years ago. As the pluton cooled, parts of its . . . — Map (db m146208) HM
California (Calaveras County), Angels Camp — Stalactite/Stalagmite
This natural formation came from a cavern on the property of the Calaveras Cement Co., located near Calaveritas in Calaveras County. It was donated to the museum by the Flintkote Co. in 1957. Collectively known as speleothems, these ancient . . . — Map (db m101618) HM
California (Calaveras County), Murphys — Mercer Caverns
Discovered September 1, 1885, by Walter J. Mercer. Resting at this site and noticing movement of grass near a small hole. Enlarging the opening, he ascended into extensive caverns containing varieties of fantastic crystalline formations. The public . . . — Map (db m16017) HM
California (Contra Costa County), Clayton — History of Marsh Creek Springs
Founded in 1927 by Gerald (Jerry) Gill and family, the park consisted of four picnic sections, over forty acres, four baseball diamonds, two swimming pools, a wading pool for children, large dance hall and two snack bars. At one time the grounds . . . — Map (db m94663) HM
California (Contra Costa County), Clayton — Old Marsh Creek Springs
This area in the mid 1850s, was a known hideout for legendary bandit Joaquin Murrieta, who worked as a vaquero for John Marsh on his rancho just east of here. It was also frequented by John "Grizzly" Adams, famed California mountain man. In 1927 . . . — Map (db m94657) HM
California (Contra Costa County), El Cerrito — Cerrito Creek
. . . — Map (db m94104) HM
California (Contra Costa County), El Cerrito — The Little Hill
El Cerrito, Spanish for "the little hill", is named for the hill to the southwest - now called Albany Hill. Like Brooks Island, the hills north Port Richmond, and the hills at China Camp across the bay, Albany Hill is a part of a range older than . . . — Map (db m94105) HM
California (Fresno County), Sanger — 25 — Kings River
Its waters made possible the irrigation of a million fertile acres, despite a 39 year battle over water rights. From 1882 forward, 150 lawsuits were filed and early irrigators often used armed force to open headgates to water their crops. L. A. . . . — Map (db m27996) HM
California (Humboldt County), Fortuna — The Eel River Starts on Your StreetEel River: Linking Human and Coastal Environments
The Eel, California’s third largest river, flows 800 miles before emptying into the Pacific Ocean. Through ongoing monitoring, public and private entities are working to preserve the integrity of this designated “Wild and Scenic River.” . . . — Map (db m71985) HM
California (Humboldt County), Garberville — Richardson Grove Historic Lodge
People have been drawn to the beauty and serenity of Northern Californias's majestic redwood forests for millennia In the 1910s and 1920s, improved roads and services drew tourists from every walk of life, and the redwoods became a . . . — Map (db m139843) HM
California (Inyo County), Death Valley — Ubehebe CraterDeath Valley National Park
Before you is vivid evidence of one of the geologic forces that shapes Death Valley. Unlike most geologic features, the age of Ubehebe Crater (u-bee hee-bee) is measured in thousands rather than millions of years; it is about 2,000 years old. . . . — Map (db m150284) HM
California (Los Angeles County), Chatsworth — Garden of the GodsIverson Movie Ranch
Garden of the Gods was part of the Iverson Movie Ranch which flourished from 1912 until the late 1960s, the golden era of the "B” Western movies. This site was known as the "most shot up location in movie history.” Hollywood . . . — Map (db m127037) HM
California (Los Angeles County), Inglewood — 363 — Centinela SpringsAguaje de la Centinela
On this site, bubbling springs once flowed from their source in a deep water basin which has existed continuously since the Pleistocene Era. Prehistoric animals, Indians, and early Inglewood settlers were attracted here by the pure artesian water. . . . — Map (db m126337) HM
California (Los Angeles County), Long Beach — Evolution of a skylineLong Beach's history can be seen in its rooftops
In the early 1990s, Long Beach was world-famous as a visitor destination. Hotels and dance halls, trolleys and roller coasters lured tourist to the city. The mild climate and pristine beaches beckoned people to the water's edge. With daily train . . . — Map (db m71543) HM
California (Los Angeles County), Palmdale — The San Andreas Fault
One of the most outstanding geological features in California, extending for over 650 miles from Point Arena, north of San Francisco, to south of San Gorgonio Pass, between twenty and thirty miles deep and more than a mile wide in some locations. . . . — Map (db m149749) HM
California (Los Angeles County), San Pedro — Portuguese Bend
The Palos Verdes Peninsula is an up lifted block of land forced out of the sea at a rate of about 0.4 millimeters per year over the last 2 million years. Once an island, the peninsula is encircled by thirteen wave cut terraces. These broad "benches" . . . — Map (db m42124) HM
California (Marin County), Point Reyes Station — Sea Life in These WatersGulf of the Farallones & Cordell Band — National Marine Sanctuaries —
Some of the world’s richest waters exist right off California’s coast. An explosion of life occurs here due to a combination of the sun’s energy, wind, ocean currents, and contours of the sea floor. Microscopic phytoplankton form the base of the . . . — Map (db m63362) HM
California (Marin County), Sausalito — The Bay Transformed
For thousands of years Native Americans lived in the Bay Area harvesting animals, salt, and acorns. The changes they made to the landscape were limited. They used fire to shape oak woodlands and grasslands. cultivated plants, and collected salt in . . . — Map (db m102474) HM
California (Marin County), Sausalito — The Golden GateA narrow three-mile channel
Providing a narrow entrance to the west coast's most defensible harbor, the strategic value of the Golden Gate is readily apparent. Between 1776 and 1846, Spanish, then Mexican, guns defended the harbor entrance. Starting in 1846, American soldiers . . . — Map (db m102777) HM
California (Mariposa County), Bear Valley — May Rock
Originally named Tower Rock, May Rock is the largest outcropping of quartz along the Mother Lode. This 82 foot high formation contains no gold ore. Most gold ore within quartz is at greater depths in the earth. It was part of Colonel John C. . . . — Map (db m46375) HM
California (Mariposa County), Wawona — 4 — Yosemite Valley's First Visit by White Men
From the crest of the ridge of a few hundred feet behind this point members of the Mariposa Battalion under the leadership of Major James D. Savage looked into Yosemite Valley on March 27, 1851.

Alarmed by the encroaching tide of California . . . — Map (db m47417) HM

California (Mariposa County), Yosemite National Park — A Varied ViewTunnel View - Yosemite National Park
Ever-Changing Scene In Yosemite, you may never witness the same scene twice. This grand show is eternal. It is always sunrise, somewhere; the dew is never all dried at once; a shower is forever falling; vapor ever rising. Eternal . . . — Map (db m63596) HM
California (Mariposa County), Yosemite National Park — A View Through TimeTunnel View - Yosemite National Park
A Burning Tradition Miwok people, who called themselves Ahwahneechee, lived in Yosemite Valley for thousands of years. Their traditional practice of regularly burning the meadows and oak woodlands of the Valley contributed to the open . . . — Map (db m63597) HM
California (Mariposa County), Yosemite National Park — Disappearing Waterfalls
At certain times of the year some of the Valley’s waterfalls disappear. Bridalveil keeps flowing even in late summer, when Yosemite Falls begins to dry up. Above Yosemite Falls the terrain is largely bare granite; runoff is rapid. Bridalveil . . . — Map (db m63589) HM
California (Mariposa County), Yosemite National Park — Glacier Point Hotel
You are standing on the site of two famous Yosemite landmarks: McCauley’s Mountain House (1872-1969) and the Glacier Point Hotel (1917-1969). Both structures were built from trees cut down near this site. They both burned to the ground on the . . . — Map (db m100858) HM
California (Mariposa County), Yosemite National Park — Reawakening the Meadow
Where the Old Village once stood, little evidence remains. In its heyday, thousands of tourists arrived on horseback, in wagons, and in early Model T Fords. They danced, bathed, and slept here. Today this is hard to imagine, as the meadow seems so . . . — Map (db m65527) HM
California (Mariposa County), Yosemite National Park — Welcome to Glacier Point
People have been coming to Glacier Point for generations to see one of the most spectacular views on earth. For a panoramic vista of Yosemite Valley, walk along the trail to Glacier Point, located ¼ mile from where you’re now standing. Along the . . . — Map (db m63610) HM
California (Mono County), Mammoth Lakes — Crowley Lake
Crowley Lake, widely known for its trout fishing, has yielded more than 40 tons of fish the first week of fishing season. It was named for Father Crowley, a beloved Catholic priest. who traveled this area extensively. The White Mountain Range, . . . — Map (db m72570) HM
California (Mono County), Mammoth Lakes — Owens Valley
extended from Bishop south for 100 miles. The valley was inhabited by Indians for many years. Joseph Walker in 1833 was the first white man to discover the valley. In 1845 John C. Fremont named the valley, a river and a lake, after Richard Owens, an . . . — Map (db m50058) HM
California (Mono County), Mammoth Lakes — Preserving Special Places
Devils Postpile stands not only as an unusual geologic wonder but as a monument to the visionary efforts of a dedicated conservationist. In 1910, under U.S. Forest Service management, engineer Walter L. Huber received an application from mining . . . — Map (db m63616) HM
California (Monterey County), Carmel — Lone CypressPerched over the Pacific for Hundreds of Years
Even though Monterey cypress trees prefer this area's rugged bare granite headlands, the Lone Cypress is a testament to the hardiness of these trees. It has withstood Pacific storms and winds for roughly 250 years. Fences and cables now offer added . . . — Map (db m8476) HM
California (Monterey County), Marina — A Coastal Attack the Army Couldn’t StopFort Ord Dunes State Park
Soldiers once guarded this shoreline against sea-borne attack, but one force proved too powerful to stop. Coastal erosion, the wearing away of these bluffs and beaches by ocean waves, has been steadily moving the coastline inland here since sea . . . — Map (db m68883) HM
California (Monterey County), Pacific Grove — Balance Lost and Found AgainAsilomar Conference Center
Decades of logging, grazing, recreation, and foot traffic brought Asilomar's dune ecosystem to the brink of extinction. When the Young Women's Christian Association (YWCA) established the Asilomar summer camp grounds in 1913, the dunes became a . . . — Map (db m63773) HM
California (Nevada County), Norden — 27 — Donner Summit Overlook
History “I don’t believe I have adequate words to describe the real beauty of Donner Pass. As we stood looking down I had a floating sensation… I lost all fear as I looked at one of the most beautiful blue lakes (Donner Lake) I have . . . — Map (db m81894) HM
California (Nevada County), Soda Springs — Royal Gorge HistoryA Brief and Recent History of Royal Gorge
America's Largest Nordic Ski Resort Opens When Royal Gorge opened in the 70's, Nordic skiing in the U.S. was in its infancy. Since then, the sport has grown to near European popularity and Royal Gorge became renowned the world over, boasting . . . — Map (db m129654) HM
California (Orange County), Anaheim — Petrified TreeFrom the Pike Petrified Forest, Colorado
This section weighs five tons and measures 7 1/2 feet in diameter. The original tree, estimated to have been 200 feet tall, was part of a sub-tropical forest 55 to 70 million years ago in what is now Colorado. Scientists believe it to be of the . . . — Map (db m146186) HM
California (Orange County), North Tustin — Red Hill
In early descriptions it was known as Cerrito De Las Ranas, meaning the Hill of the Frogs. In the 1890s this hill became the scene of mining excitement. Its soil composition, very red in color, had caused early American settlers to name it Red Hill. . . . — Map (db m51966) HM
California (Orange County), North Tustin — 203 — Red Hill
A promontory which served as a landmark for early travelers. It was called "Katuktu" by the Indians. — Map (db m52087) HM
California (Placer County), Cisco Grove — 1 — Red Mountain
History Fire! Fire at Cascade! Call Cisco Snowsheds solved one problem and opened up an industry of snow shovelers, maintenance workers, carpenters, line walkers and fire lookouts. 24 hours a day, high on Red Mountain, lookouts scanned . . . — Map (db m129442) HM
California (Placer County), Emigrant Gap — Susan's SpotAuburn Artist and Environmental Planner — 1948-2003 —
Dedicated to Susan Cooley-Gilliom This was Susan's favorite spot for photographing and painting the South Yuba River, which she cherished in all season. When Placer Legacy first began negotiations to preserve this land, Susan was a key . . . — Map (db m105153) HM
California (Riverside County), Chiriaco Summit — Romero PassBradshaw-Grant Pass
California-Arizona Route 1824 — Map (db m99274) HM
California (Sacramento County), Rancho Cordova — Vernal Pool GrasslandMather Vernal Pools
When rain falls on a vernal pool grassland, some water sinks into the ground and the rest flows into streams or into depressions in the landscape. The water cannot move deeper into the ground in a vernal pool grassland because a hardpan blocks its . . . — Map (db m52708) HM
California (San Benito County), Paicines — Benitoite
Was discovered on February 22, 1907 by James Marshall Couch while prospecting for quicksilver on a fifty dollar grubstake for shares from R.W. Dallas and Tom Sanders. On July 30, 1907 mineralogy Professor George D. Louderback identified it as a new . . . — Map (db m63910) HM
California (San Benito County), Paicines — The Coast Range: an ecological meeting place
Ecology is all about how all things around us interact and affect each other, from rocks to plants to animals. Here is a place rich with different ecological interactions. How many can you see? Millions of years ago, most of California was under . . . — Map (db m71565) HM
California (San Bernardino County), Amboy — 92 — Amboy CraterNational Natural Landmark
Amboy Crater, formed of ash and cinders, is 250 feet high and 1500 feet in diameter. The crater is in one of the youngest volcanic fields in the United States. Six distinct periods of eruptions created the resulting nested group of volcanic cinder . . . — Map (db m78561) HM
California (San Bernardino County), Amboy — The Story of Route 66
[ Six panels are mounted on a half-moon base which tell The Story of Route 66 ]. Reading from left to right: [ Panel 1: ] The Story of Route 66 Commissioned in 1926 and soon dubbed "The Mother Road," Route 66 . . . — Map (db m33446) HM
California (San Bernardino County), San Bernardino — 977 — The Arrowhead Landmark
Located on the hills above San Bernardino, the Arrowhead has been an important landmark for centuries. It is believed to be a natural feature but its true origin is unknown. The distinctive arrowhead shape is visible because the white sage, which . . . — Map (db m126067) HM
California (San Bernardino County), Trona — Welcome to the Trona Pinnacles... a National Natural Landmark
Rising from the bottom of what was once an ancient lakebed, the Trona Pinnacles represent one of the most unique geologic landscapes in the California Desert. Over 500 of these tufa or calcium carbonate spires are spread out over a 14 square mile . . . — Map (db m50221) HM
California (San Francisco City and County), San Francisco — 20,000 Years Ago
San Francisco was an ancient river valley were creatures who grazed and browsed and stalked their prey, left their bones. (text on the horizontal surface) 20,000 years ago you could have walked to the Farallon Islands... . . . — Map (db m92829) HM
California (San Francisco City and County), San Francisco — 1002 — Glen Canyon Park History
Unfortunately this marker has been badly vandalized. Missing portions are represented by ... Imagine how the Glen Canyon Park used to be part of the open ... hills far south of San Francisco... how you might feel if you came across this . . . — Map (db m143531) HM
California (San Francisco City and County), San Francisco — Historic Shipwrecks - Lost at the Golden Gate
Swift tides, treacherous rocks, dense fog, and a narrow harbor entrance have always made San Francisco’s coast and port difficult to navigate. Over 300 known vessels have failed to make the passage and sank in the cold, treacherous waters. One . . . — Map (db m48638) HM
California (San Francisco City and County), San Francisco — San Francisco Bay Shore Line Marker
This tablet marks the shore line of San Francisco Bay at the time of the discovery of gold in California, January 24, 1848. Map reproduced above delineates old shore line. — Map (db m638) HM
California (San Francisco City and County), San Francisco — San Francisco Gold Rush Shoreline
The shore line of San Francisco Bay reached a point twenty-five feet northeasterly from this spot at the time gold was discovered by James W. Marshall at Coloma, California, January 24, 1848. Map of old water line shown on tablet on opposite . . . — Map (db m71806) HM
California (San Francisco City and County), San Francisco — Southbeach Shoreline – 1852
In 1852 you would have been standing on a bluff overlooking the narrow beach just below that followed the approximate line of King Street. First accurately charted by the U.S. Coast Survey topographical engineers in 1852, the shoreline was named . . . — Map (db m72544) HM
California (San Luis Obispo County), Avila Beach — Port San Luis
Three panels are located on the Harford Pier outline the history of Port San Luis. Port San Luis - A Gateway Through Time Geology Bays are formed over thousands of years by erosion. Less resistant rock is weathered away by . . . — Map (db m117108) HM
California (San Luis Obispo County), McKittrick — Wallace CreekSan Andreas Fault
Welcome to Wallace Creek. Yes, you are looking at a creek. Wallace Creek may seem insignificant compared to other streams or rivers, after all, on most days of the year, it is bone dry. But it tells an important and exciting story. As you can . . . — Map (db m126611) HM
California (San Luis Obispo County), Morro Bay — 821 — Morro Rock
An important mariner's landfall for over 300 years, chronicled in the diaries of Portola, Fr. Crespi and Costanso in 1769 when they camped near this area on their trek to find Monterey. Sometimes called the "Gibraltar of the Pacific". It is the last . . . — Map (db m24795) HM
California (San Mateo County), Daly City — If it's Summer, Bring a SweaterDaly City summers are virtually rain-free, but don't expect sunny skies.
Daly City is usually blanketed with heavy fog and swept by brisk sea breezes from mid-May to mid-September. But while Daly City shivers, the summer fog and sea breezes provide natural air conditioning for the rest of the Bay Area. The breeze . . . — Map (db m52114) HM
California (San Mateo County), Daly City — The Ground Beneath Your Feet
Here at Thornton Beach, the ground is not as solid as it seems. The ground itself is made up of a semi-consolidate sedimentary rock from here to Mussel Rock. It doesn't hold together well, which makes the coastline very unstable. Constant . . . — Map (db m52113) HM
California (San Mateo County), Milbrae — The San Andreas Fault
The San Andreas Fault is the largest earthquake fault in North America. It passes through this point and alongside the tip of the small peninsula straight ahead. In this area, during the 1906 San Francisco earthquake, the west side of the fault . . . — Map (db m17165) HM
California (Santa Clara County), Los Gatos — Lexington ReservoirJames J. Lenihan Dam
Watershed: Guadalupe River Capacity: 6.5 billion gallons Depth: 130 feet Length: 2.5 miles Built: 1952 Lexington Reservoir, named for the historic 1850's town which once stood on the valley's floor, is a significant . . . — Map (db m55147) HM
California (Santa Clara County), San Jose — Historic Alum Rock Park
Founded in 1872 and known as the reservation, Alum Rock Park is the oldest municipal park in California. It was named for a large rock formation believed to contain alum. Even after it was discovered to have been incorrectly identified, the name . . . — Map (db m92718) HM
California (Santa Clara County), San Jose — Mineral Springs Grotto
The mineral springs located in this area have played an important role in the history and development of the park. Between 1891 and 1902, the Parks Commission began developing the park, highlighting the springs. During this period, over 20 different . . . — Map (db m63781) HM
California (Shasta County), Burney — Burney Falls
Burney Falls has been dedicated a National Natural Landmark. This site possesses exceptional value as an illustration of the nation's natural heritage and contributes to a better understanding of man's environment. — Map (db m546) HM
California (Shasta County), Shingletown — Bumpass’s HellKendall Vanhook Bumpass
Our guide [Mr. K.V. Bumpass,] after cautioning us to be careful where we stepped, that the surface was treacherous, suddenly concluded with Virgil that the “descent to Hell was easy” for stepping upon a slight inequality in the ground . . . — Map (db m146201) HM
California (Siskiyou County), Dunsmuir — Upper Soda Springs
Campsite of Indians and Hudson's Bay trappers. Popular resort on the California-Oregon Trail, 1857-1920 — Map (db m89120) HM
California (Siskiyou County), Mt. Shasta — Mount Shasta
Administered by the Forest Service, United States Department of Agriculture has been designated a Registered Natural Landmark This site possesses exceptional value as an illustration of the nation's natural heritage and contributes to a . . . — Map (db m89118) HM
California (Siskiyou County), Tule Lake — Shore of Tule Lake
This was the shoreline of Tule Lake in 1872-73. The Modoc Indians occupying the Stronghold obtained water at this point. Once nearly 100,000 acres, the lake was drained between 1912 and 1958 to make fertile land available for homesteads. — Map (db m87914) HM
California (Siskiyou County), Weed — Mount Shasta
Dominating the landscape, Mt. Shasta can be seen for 100 miles from certain points drawing hikers, skiers and travelers. Mt. Shasta rises 11,000 fro the base to the summit for a total elevation of 14,162’ above sea level, one of the nation’s largest . . . — Map (db m69866) HM
California (Trinity County), Douglas City — Reading’s Bar
Major Pierson B. Reading discovered gold on this bar behind this monument in July, 1848. After crossing the Trinity Divide from the North Fork of Cottonwood Creek. His party of three whites, close friend Delaware Indian scout Tom Hill, and sixty . . . — Map (db m55999) HM
California (Trinity County), Weaverville — Weaverville Basin Gold Discovery Site
In the bend of Rich Gulch near its junction with Ash Hollow five miners worked the winter of 1849-50, with the use of a log hollowed out to make a rocker. The rich pocket yielded five pounds of gold per day. The gulches in this district proved to . . . — Map (db m112476) HM
California (Tuolumne County), Groveland — 5-1975 — Big Gap Flume
In 1859 a wooden suspension flume 2200’ long was constructed across this valley by G.W. Holt and August Conrad as a link in the Golden Rock Ditch system which conveyed the water of the South Fork of the Tuolumne River to the mining areas of . . . — Map (db m53274) HM
California (Tuolumne County), Groveland — Trails and Waterfalls
Within this 459-square-mile Hetch Hetchy watershed are 287 miles of trails, including a portion of the Pacific Crest Trail. They offer views of an abundance of flora and fauna, along with breathtaking scenery. Upstream from the dam to your . . . — Map (db m1943) HM
California (Tuolumne County), Groveland — Water Quality at Hetch Hetchy
The Tuolumne River supplies 85% of the water for 2.4 million people. It originates from pristine spring snowmelt as far upstream as Mt. Lyell at an elevation of 13,114 feet. The City and County of San Francisco protects the resources entrusted . . . — Map (db m1942) HM
California (Tuolumne County), Jamestown — 431 — Mark Twain Bret Harte TrailJamestown (Also Called Jimtown)
Known as gateway of Mother Lode and to southern mines, gold first discovered in Tuolumne County west of this point at Woods Creek by James Woods shortly before town was founded by Col. George James, August 8, 1848. Large quantities of gold recovered . . . — Map (db m2304) HM
Colorado (Alamosa County), Mosca — "Totally Unique and Unexpected"Park Visitor
Welcome to the high elevation desert that is Great Sand Dunes! Does this landscape strike you as amazing, bizarre or totally out of place. If so, you’re not alone. For many, the unexpected combination of massive dunes surrounded by alpine peaks and . . . — Map (db m71050) HM
Colorado (Alamosa County), Mosca — A Landmark for People
“We can see the Dunes and the Crestone Needles from all over our ranch. When we are lost, that’s what we navigate by.” --local rancher Whether traveling on foot, by horseback, Model A, or the . . . — Map (db m71051) HM
Colorado (Alamosa County), Mosca — DimensionsGreat Sand Dunes National Monument
The scale of the Great Sand Dunes can be difficult to judge. The dunes you see from here are only the front lines of a sea of dunes that covers many square miles.

How far do the dunes extend into the distance? The dunes are 8 miles (13km) . . . — Map (db m104717) HM

Colorado (Alamosa County), Mosca — Sangre de Cristo EcosystemGreat Sand Dunes National Park and Preserve
Different Life Zones Exist in the Mountains Imagine climbing the mountain in front of you. You might notice it gets cooler as you ascend. As the temperature drops, moisture in the air condenses, precipitation increases, and creates different . . . — Map (db m71056) HM
Colorado (Alamosa County), Mosca — Stepping into WildernessGreat Sand Dunes National Park and Preserve
You are about to step into the Great Sand Dunes Wilderness. Its mood changes with the seasons, from the spacious solitude of winter, to spring and summer fun and play. Whatever the season of your visit, this unexpected wilderness offers . . . — Map (db m71057) HM
Colorado (Alamosa County), Mosca — The Mountain Barrier
Mountains and passes were important in the formation of the sand dunes. You are looking at the Sangre de Cristo Mountains. Prevailing southwesterly winds carrying sand across the San Luis Valley were blocked by the mountains. As the . . . — Map (db m71055) HM
Colorado (Archuleta County), Pagosa Springs — Pagosa Springs
Pagosa Springs has a rich history, beginning with the Anasazi Indians. Later the Utes, Navajos and Apaches inhabited this beautiful corner of the Southwest. They also visited the great “Pagosah” hot springs which they believed had . . . — Map (db m27527) HM
Colorado (Delta County), Delta — Ute Council Tree
This ancient tree was once part of a grove of native cottonwoods under which the local Ute Indians would camp and hold council prior to 1881. An Indian trail passed nearby. It has been identified as the Ute Council Tree since 1930, when the local . . . — Map (db m119897) HM
Colorado (Denver County), Denver — 6w — Rails and MountainsWall Street of the Rockies — Seventeenth Street Denver, Colorado —
Down 17th Street, Longs Peak is visible over the roof of Union Station. Together, they symbolize two bases of Denvers economy. Since its founding in 1858, Denver has taken advantage of its location for freight and passenger transportation. Starting . . . — Map (db m135104) HM
Colorado (Denver County), Denver — 18e — Top of the WorldWall Street of the Rockies — Seventeenth Street Denver, Colorado —
Long’s Peak, visible at the end of 17th Street, is 14,255 feet in elevation. The National Forest Service lists 54 peaks over 14,000 feet in elevation within the state of Colorado. Mt. Elbert at 14,433 feet it the highest peak in the Rocky . . . — Map (db m135531) HM
Colorado (Douglas County), Castle Rock — The Rock / Gray Gold
A geologic phenomenon known as a “glowing avalanche” formed Castle Rock and the other buttes of Douglas County 36.7 million years ago. A volcanic eruption near Mount Princeton, about 95 miles southwest of here, spewed a frothy, gleaming . . . — Map (db m46142) HM
Colorado (Douglas County), Larkspur — Southwest Rises The Summit of Pikes Peak
This mountain, 14,110 feet above the sea and the most celebrated peak in America, is named for the explorer, Capt. Zubulon M. Pike, who saw it first in 1806. He attempted to climb it, failed and reported it unclimbable. Ascended in 1820 by Dr. Edwin . . . — Map (db m4846) HM
Colorado (El Paso County), Calhan — GeologyPaint Mines Interpretive Park
Imagine standing here in a tropical hardwood forest 55 million years ago. The forest and ancient soils were later covered by white sandstone of uplifted and later eroded Pikes Peak Granite. The sandstone is known as the Dawson Arkose Formation. Its . . . — Map (db m135458) HM
Colorado (El Paso County), Cascade — The Continental Divide
The Rocky Mountains are the longest chain of mountains in the world. They divide the United States watershed between the Atlantic and Pacific Oceans. Colorado has 53 peaks over 14,000 feet. One inch on the Horizon equals about 38 miles. — Map (db m4838) HM
Colorado (El Paso County), Colorado Springs — A Look From The Top
Pikes Peak You are at 13,380 feet, 4,078 meters Feeling Spacey? In the United States you can not get much closer to outer space than this! Are you dizzy and short of breath? No wonder, you are 2.5 miles (4 kilometers) above sea level! There is 40% . . . — Map (db m45815) HM
Colorado (El Paso County), Colorado Springs — A Priceless Gift
In 1879, General William Jackson Palmer, the founder of Colorado Springs, convinced his friend, Charles Elliot Perkins to purchase land in Garden of the Gods. Perkins eventually bought a total of 480 spectacular acres surrounding the Gateway Rocks, . . . — Map (db m135547) HM
Colorado (El Paso County), Colorado Springs — A Priceless GiftGarden of the Gods Park
In 1879, General William Jackson Palmer, founder of Colorado Springs, convinced his friend Charles Elliot Perkins to purchase land in Garden of the Gods. Perkins eventually bought a total of 480 spectacular acres surrounding the Gateway Rocks, . . . — Map (db m135646) HM
Colorado (El Paso County), Colorado Springs — Garden of the Gods Park
The beauty of Garden of the Gods Park, with its dramatic red rock formations framing Pikes Peak, serves as a magnificent eastern gateway to Colorado’s Rocky Mountains. The park’s towering red sandstone rocks have long been recognized as a landmark. . . . — Map (db m45983) HM
Colorado (El Paso County), Colorado Springs — Pike's Peak
Has been designated a Registered National Historic Landmark under the provisions of the Historic Sites Act of August 21, 1935 this site possesses exceptional value in commemorating and illustrating the history of the United States. US Department of . . . — Map (db m45816) HM
Colorado (El Paso County), Colorado Springs — The Amazing Balanced Rock
Around 300 million years ago, the Ancestral Rockies once stood here. Over time, the forces of wind and water eroded the magnificent peaks into swift streams full of sediments. These sediments were eventually pressed and cemented into solid rock. The . . . — Map (db m45979) HM
Colorado (El Paso County), Colorado Springs — The Garden of the Gods
Given to the City of Colorado Springs in 1909 by the children of Charles Elliott Perkins In fulfilment of his wish that it be kept forever free to the public — Map (db m135023) HM
Colorado (El Paso County), Colorado Springs — The Making of America's Mountain
The granite that make up Pikes Peak was once molten (or liquid) rock. It slowly cooled and hardened miles beneath the earth’s surface, giving the crystals time to grow. Over the last 500 million years several tectonic plates (the earth’s outer . . . — Map (db m45921) HM
Colorado (El Paso County), Colorado Springs — Time Frozen In StoneGarden of the Gods Park
This rock formation, called Sentinel Rock, is a geologic treasure. It is composed of two types of rock - a fine sandstone and a gravelly conglomerate. The various layers in this rock were deposited 275 million years ago. During that time, ancient . . . — Map (db m135022) HM
Colorado (El Paso County), Colorado Springs — Ute Pass
Passage from prairie to high plains If you had been standing on this spot for the last 10,000 years, you would have seen the history of Colorado progress below you. This ancient route through the Rocky Mountains is named for Colorado’s Ute . . . — Map (db m45761) HM
Colorado (Fremont County), Cañon City — 141 — Royal Gorge
Lt. Zubulon M. Pike and his men, who traveled through this area in November and December 1806, were the first American explorers to view the Arkansas River Canyon now known as the Royal Gorge. A small party from the Maj. Stephen H. Long expedition . . . — Map (db m34858) HM
Colorado (Garfield County), Glenwood Springs — Building Interstate 70 Through Glenwood Canyon
From Vision to Reality Glenwood Canyon has been a critical link in the nation's ground transportation network ever since the completion of the Denver & Rio Grande Railroad in 1887. Later, Taylor State Road, a continuous wagon road between . . . — Map (db m120263) HM
Colorado (Garfield County), Glenwood Springs — The Glenwood Springs Hydroelectric Plant
The Vision The year was 1886. Walter Devereux, a wealthy silver mining venture capitalist from Aspen, turned his vision downvalley to Glenwood Springs to develop the next world class resort. The area's climate, rich land, rivers and free . . . — Map (db m120130) HM
Colorado (Garfield County), No Name — A Grand Boulevard
In 1905, Colorado state senator Edward T. Taylor said, "I hope that someday our road will be a portion of a grand boulevard stretching across the nation." Taylor referred to the 12.5-mile gorge known as Glenwood Canyon. Today, the canyon road is the . . . — Map (db m120136) HM
Colorado (Garfield County), No Name — The California Zephyr
Glenwood Canyon inspired the finest hour in American rail travel. During World War II a railroad official rode through here in the cab of a diesel freight locomotive. The view from the panoramic windshield so impressed him that he began steps to rig . . . — Map (db m120140) HM
Colorado (Huerfano County), Walsenburg — 181 — Huerfano ButteBeacon to Settlement
Here, in the shadow of the Spanish Peaks and the Wet Mountains, stands El Huerfano - "the orphan." This stark and lonely volcanic outcrop, named in the late 1700s by an unknown Spanish trader, had for centuries guided earlier Hispanos and . . . — Map (db m97717) HM
Colorado (Jefferson County), Golden — Clear Creek
Clear Creek is one of the most popular and historic waterways of the Front Range. The Clear Creek watershed covers approximately 1550 square kilometers (600 square miles), includes five counties, and more than thirteen communities. From the . . . — Map (db m49896) HM
Colorado (Jefferson County), Golden — Golden and Clear Creek
The history of Golden reflects the history of Clear Creek. Eons ago, this creek, then a raging river, coursed its way through the mountains, cutting out the canyon and leaving behind fertile soil where an abundance of plants provided food for wild . . . — Map (db m49908) HM
Colorado (Jefferson County), Golden — Late Jurassic Time
This is part of the Morrison Formation accumulated around 150 million years ago. Monsoonal (seasonal) rains caused flooding which dotted the terrain with small lakes, ponds, and braided streams. These served as watering holes in the drier times. . . . — Map (db m125152) HM
Colorado (Jefferson County), Golden — Our Changing Landscape-From Sea Floor to Mountain Top
•Colorado’s geologic history dates back nearly two billion years. Several mountain ranges have been uplifted and eroded away before the rise of today’s Rocky Mountains. The landscape you see in front of you has undergone many dramatic changes. This . . . — Map (db m46438) HM
Colorado (Jefferson County), Golden — Rock Deformation
Mountain-building processes generate massive pressures in the earth’s crust. Such pressures cause the rock layers to tilt, buckle, or fold and sometimes to break or crack. In addition to the obvious tilting of rocks along the Dakota Hogback, . . . — Map (db m125154) HM
Colorado (Jefferson County), Golden — The Rocky Mountains
The high mountains west of here are the beginning of the Rocky Mountains. They are made up of resistant Precambrian granite and gneiss. The prominent red rocks in Red Rocks Park are the Fountain Formation, a series of sandstones and . . . — Map (db m125055) HM
Colorado (Jefferson County), Golden — Volcanic Ash
A volcano erupted hundreds of miles from here and ash from the volcano blanketed this area, which was a swampy environment. Subsequent burial, compaction, and chemical alteration led to this four inch white to rusty orange colored claystone . . . — Map (db m125321) HM
Colorado (Jefferson County), Golden — What You Can See From Here Today
•This diagram illustrates the features you can see from here. North and South table Mountains are remnants of ancient lava flows now separated and eroded by Clear Creek. The Dakota Hogbacks on the left and right sides of the image were one . . . — Map (db m46439) HM
Colorado (Jefferson County), Morrison — Front Range Foothills
You are looking out over the edges of tilted and eroded layers of sandstone and shale that lie upon much older rocks in the mountains behind you. If the eroded layers were restored to where you stand they would be more than two miles thick. The . . . — Map (db m57932) HM
Colorado (Jefferson County), Red Rocks Park — Red Rocks AmphitheatreCity and County of Denver Landmark
Principle construction by Civilian Conservation Corps Company 1848, SP-13C, Mt. Morrison, CO. 1936 - 1941 Dedicated as a memorial to all who served at Mt. Morrison and to the 3 million who served in the CCC nation-wide, 1933 - 1942. The CCC left . . . — Map (db m57683) HM
Colorado (Larimer County), Rocky Mountain National Park — Continental DivideMilner Pass     elev.   10,759 ft.
The "great divide" separates drainage to the Atlantic from drainage to the Pacific. It traverses America from Alaska almost to Cape Horn. Atlantic Ocean «« drainage Cache La Poudre Creek drains into the Platte River which flows to . . . — Map (db m89106) HM
Colorado (Las Animas County), Trinidad — 192 — Welcome to Colorado - Trinidad Country / Trinidad - Army of the West
Panel 1 Welcome to Colorado Colorado's vast plains, rugged mountains and grand plateaus, so magnificent in their beauty and variety seem at times to overshadow the state's history and people. But look closely. The . . . — Map (db m97739) HM
Colorado (Mineral County), South Fork — The Great Divide
Water! Every drop has a destiny via the continent’s backbone: the Continental Divide.      With a foot on each side of the bronze line below, you are symbolically straddling the spine of the Western Hemisphere. In North America the Divide follows . . . — Map (db m71660)
Colorado (Montrose County), Montrose — So Bold, So Beautiful a Land
It took bold men to ride into a bold land—a land of raging rivers, burning deserts, towering mountains, and rugged canyons. The land of the Southwest through which Dominguez and Escalante travelled in 1776 was awesome in beauty and . . . — Map (db m120226) HM
Colorado (Teller County), Florissant — The Fossil BedsFlorissant Fossil Beds National Monument
Explosive volcanic eruptions, a quiet freshwater lake, towering redwoods. A picture of this valley 35 million years ago is revealed by studying the rocks that are here today. — Map (db m93087) HM
Colorado (Weld County), Rockport — Majestic Plains
On these widespread plains blown clean by the wind and rains large herds of buffalo roamed and gained in number. Then the warriors of Indian tribes hunted them for food and skins. Later white men came to trap beaver in the prairie channels and the . . . — Map (db m119615) HM
Connecticut (Fairfield County), Norwalk — A Habitat Renewed
In the past, the shallow and stagnant Mill Pond was not a good place for marine life. In 1996-97, the City of Norwalk undertook a $500,000 project to improve the aquatic habitat. Funds for the work came from the Connecticut Department of . . . — Map (db m53485) HM
Connecticut (Fairfield County), Trumbull — Tashua Hills
Tashua Hills 608 Feet Above Sea Level Highest Elevation On the East Coast Trumbull Parks Commission — Map (db m77495) HM
Connecticut (Litchfield County), New Milford — Lover’s Leap State Park
Highlights of Lover’s Leap State Park New Milford, CT Lover’s Leap State Park is located in southern New Milford. The Housatonic River flows through the park and forms the headwaters of Lake Lillinonah. This historic 140 acre park began in . . . — Map (db m22739) HM
Connecticut (Litchfield County), Salisbury — Bear Mountain, Connecticut
This Monument Marks The Highest Ground In Connecticut 2354 Feet Above The Sea Built A.D. 1885 Owen Travis Mason — Map (db m98939) HM
Delaware (New Castle County), Delaware City — Pea Patch Island
Fort Delaware is located on Pea Patch Island in the Delaware River. The island is sometimes said to have gotten its name from a boat loaded with peas that ran aground on a mud shoal in the 1770s. The spilled peas sprouted, mud caught in the vines, . . . — Map (db m21589) HM
Delaware (New Castle County), Newark — In the BeginningFormation of the Delmarva Peninsula
Left Column Delaware is the second smallest state in the country. However, we played an important role in the formation of the nation. Caesar Rodney rode from Lewes to Philadelphia to cast the deciding vote for independence in 1776. We were . . . — Map (db m10867) HM
Delaware (New Castle County), Wilmington — NC-85 — Ebright Azimuth
The highest bench mark monument in Delaware is located on Ebright Road. This horizontal control mark denotes an elevation of 447.85 feet above sea level. The Delaware Geological Society through its relationship with the National Geodetic Survey has . . . — Map (db m128088) HM
Delaware (Sussex County), Dewey Beach — Indian River Inlet and BridgeNature vs. Technology
The Indian River Inlet has not always existed in its current location. This barrier beach environment is dynamic, and the opening to the inlet has opened and closed at different locations. When the inlet closed, navigation, water quality, . . . — Map (db m150130) HM
Florida (Alachua County), Gainesville — Alachua Sink
The Alachua Sink, a named likely derived from the Potano word meaning “jug,” is the deepest of Paynes Prairie’s sinkholes and acts as a conduit for water entering the Floridan aquifer at a rate of up to 6 million gallons per day. . . . — Map (db m126294) HM
Florida (Alachua County), Gainesville — Devil's MillhopperRegistered Natural Landmark
Devil’s Millhopper has been designated a Registered Natural Landmark This site possesses exceptional value as an illustration of the Nation’s natural heritage and contributes to a better understanding of man’s environment . . . — Map (db m125200) HM
Florida (Columbia County), Fort White — Ichetucknee Springs
Ichetucknee Springs Has been designated a Registered Natural Landmark under the provisions of the Historic Sites Act of August 21, 1955 this site possesses exceptional value in illustrating the natural history of the United . . . — Map (db m126019) HM
Florida (Duval County), Jacksonville — Spanish PondFort Caroline National Monument — Timucuan Ecological and Historic Preserve —
500 Spanish soldiers from St. Augustine marched four days through marsh, forest tangle, fierce wind, and heavy rainfall to an encampment near here. Exhausted and hungry they rested in a downpour; at dawn they attacked and captured France's Fort . . . — Map (db m46579) HM
Florida (Duval County), Jacksonville — Timucuan PreserveFort Caroline National Monument — Timucuan Ecological and Historic Preserve —
Bound by the Nassau River, the Atlantic Ocean, and the St. Johns River, the Timucuan Ecological and Historic Preserve seeks to protect much of the water and undeveloped land you see from here. Salt marsh, coastal hammock, tidal creeks, and sea and . . . — Map (db m46576) HM
Florida (Escambia County), Pensacola — E — Defending a Coastal Colony — Pensacola Maritime Heritage Trail —
If you flew over Pensacola Bay, you would see that it has many natural forms of protection. Sandy barrier islands defend the narrow entrance into the bay and rolling hills provide excellent vantage points to watch ships arrive. The many colonial . . . — Map (db m130741) HM
Florida (Marion County), Dunellon — Rainbow Springs
Rainbow Springs has been designated a Registered Natural Landmark Under the provisions of the Historic Sites Act of August 21, 1935 This site possesses exceptional value in illustrating the natural history of the United States U.S. . . . — Map (db m13618) HM
Florida (Miami-Dade County), Miami — The Miami Circle
On this spot of land at the mouth of the Miami River, a historic discovery shed new light on one of Florida's early peoples - the Tequesta. During the demolition of the Brickell Point apartments in 1998, archaeologists uncovered preshistoric . . . — Map (db m65644) HM

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May. 31, 2020