1 ► Alabama, Baldwin County, Gulf Shores — Here ends the Alabama Scenic River Trail —

Near Fort Morgan Road (Alabama Route 180) 1.2 miles west of Dune Drive, on the right when traveling west.

2 ► Alabama, Blount County, Oneonta — Champion Mines —

On 6th Street South (U.S. 231) at Champion Road, on the right on 6th Street South.

3 ► Alabama, Clay County, Delta — Alabama's Highest Point —

Near Bunker Loop north of Route 281.

4 ► Alabama, Colbert County, Tuscumbia — Petrified Conifer Tree / Petrified Lycopod Tree Stump —

On S. Main Street.

5 ► Alabama, Jackson County, Woodville — Cathedral Caverns —

Near Cave Road 0.7 miles east of Cathederal Caverns Road, on the left when traveling east.

6 ► Alabama, Jefferson County, Birmingham, Five Points South — Reading Red Mountain —

Near Richard Arrington Junior Boulevard South 0.2 miles north of 20th Avenue South, on the right when traveling south.

7 ► Alabama, Jefferson County, Clay — The Cahaba Heart River of Alabama —

On Old Springville Road / County Road 30, on the left when traveling north.

8 ► Alabama, Jefferson County, Pinson — Pinson, Alabama —

On Main Street east of Center Point Road (State Highway 75), on the left when traveling east.

9 ► Alabama, Lauderdale County, Waterloo — Mud Glorious Mud —

On Lauderdale County 1 (County Route 1) 0.8 miles north of Lauderdale County 14 (County Route 14), on the left when traveling north.

10 ► Alabama, Lauderdale County, Waterloo — Rock Spring —

Near Natchez Trace Parkway (at milepost 330.2), 1.4 miles north of County Road 2, on the right when traveling north.

11 ► Alabama, Madison County, Huntsville — Burritt Museum —

On Monte Sano Boulevard Southeast at Burrit Drive Southeast, on the left when traveling north on Monte Sano Boulevard Southeast.

12 ► Alabama, Madison County, Huntsville — Old Town Historic District —

On Holmes Avenue close to Lincoln St., NE.

13 ► Alabama, Marengo County, Demopolis — White Bluff —

On West Monroe Street.

14 ► Alabama, Marshall County, Guntersville — Section of Core —

On Paddle Wheel Drive (U.S. 431) at Taylor Street, on the right when traveling south on Paddle Wheel Drive.

15 ► Alabama, Talladega County, Childersburg — DeSoto Caverns —

Near DeSoto Caverns Pkwy (State Highway 76).

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16 ► Alabama, Tuscaloosa County, Tuscaloosa — Burns’ Shoals —

Near Greensboro Avenue north of 2nd Street (Jack Warner Parkway).

17 ► Alabama, Tuscaloosa County, Tuscaloosa — Marr’s Spring —

Near Marrs Spring Road south of Campus Drive East, on the left when traveling south.

18 ► Alabama, Tuscaloosa County, Tuscaloosa — Why Are We Here? — City of Tuscaloosa —

Near 6th Street west of 21st Avenue, on the left when traveling west.

19 ► Alaska, Anchorage, Bird Creek — Traveling Tikahtu — Traveling the Cook Inlet —

Near Seward Highway (State Highway 1) west of Bushnell Road, on the right when traveling west.

20 ► Alaska, Denali Borough, Denali National Park and Preserve — Mountains in Motion / Hot Rocks —

On Park Road.

21 ► Alaska, Denali Borough, Denali National Park and Preserve — The Time-Honored Trail — Denali National Park and Preserve — National Park Service, U.S. Department of the Interior —

On Murie Road north of Bus Concessionaire Road, on the left when traveling north.

22 ► Alaska, Fairbanks North Star Borough, College — Boreal forest: living around Thompson Drive —

On Thompson Drive 0.1 miles north of Geist Road, on the right when traveling north.

23 ► Alaska, Juneau Borough, Juneau, Mendenhall Valley — A View in Time —

On The Trail of Time at Glacier Spur Road, on the left when traveling east on The Trail of Time.

24 ► Alaska, Juneau Borough, Juneau, Mendenhall Valley — Changing Views — Trail of Time — Tongass National Forest —

On East Glacier Trail at Glacier Spur Road, on the left when traveling east on East Glacier Trail.

25 ► Alaska, Juneau Borough, Juneau, Mendenhall Valley — Looking Back — Trail of Time — Tongass National Forest —

On East Glacier Trail at Glacier Spur Road, on the left when traveling east on East Glacier Trail.

26 ► Alaska, Matanuska-Susitna Borough, Sutton-Alpine — A Glacial Pace —

Near Glenn Highway.

27 ► Alaska, Matanuska-Susitna Borough, Sutton-Alpine — Chugach Mountains —

On Glenn Highway (Alaska Route 1 at milepost 61.6) east of Chickaloon Way, on the left when traveling east.

28 ► Alaska, Matanuska-Susitna Borough, Sutton-Alpine — Talkeetna Mountains —

On Chickaloon Way north of Glenn Highway Milepost 61.6 ( Highway 1), on the right when traveling north.

29 ► Alaska, Skagway — Pitch Fork Falls — White Pass & Yukon Route —

On Klondike Highway (State Highway 98) south of Liarsville Road, on the right when traveling north.

30 ► Alaska, Skagway, Dyea — Asaayíx' Kudziteey Haa Léelk'u Hás Aaní — This Land of our Grandparents Has Tlingit Names — Traditional Place Names of the Skagway Area —

On State Street just north of 12th Avenue, on the left when traveling north.

31 ► Alaska, Valdez-Cordova Census Area, Tolsona — The Wrangell Mountains —

On Glenn Highway (State Highway 1 at milepost 176.5), on the right when traveling east.

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32 ► Arizona, Apache County, Adamana — Jasper Forest

Near Jasper Forest Road, on the left when traveling west. Reported permanently removed.

33 ► Arizona, Apache County, Chambers — Badlands —

Near Park Road, on the right when traveling north.

34 ► Arizona, Apache County, Chambers — Painted Desert / Finding Fossils

On Park Road, on the right when traveling west. Reported missing.

35 ► Arizona, Apache County, Petrified Forest National Park — A Painted Park — Petrified Forest National Park —

On Petrified Forest Road 1 mile north of U.S. Route 66 (Interstate 40), on the right when traveling north.

36 ► Arizona, Apache County, Petrified Forest National Park — Over the Edge — Petrified Forest National Park —

Near Petrified Forest Road 2 miles north of U.S. Route 66 (Interstate 40), on the right when traveling north.

37 ► Arizona, Apache County, Springerville — 1 — Escudilla Mountain —

On U.S. 60 at milepost 392, on the right when traveling east.

38 ► Arizona, Apache County, Window Rock — In Remembrance of Our Warriors / Navajo Warrior Memorial —

Near Parking Lot BIA 100 MP 0 (Route 100 Connector Road) 0.8 miles east of Route 12 N (Arizona Highway 263).

39 ► Arizona, Cochise County, Bowie — 086-352 — Old Fort Bowie — Guardian of Apache Pass —

On I-10 Extension (Interstate 10), on the left when traveling east.

40 ► Arizona, Coconino County, Flagstaff — Geology —

On East Aspen Avenue.

41 ► Arizona, Coconino County, Flagstaff — The Citadel / Natural Features —

On Loop Road, on the left when traveling north.

42 ► Arizona, Coconino County, Grand Canyon National Park — Grandview, 1898 —

Near Grandview Trail.

43 ► Arizona, Coconino County, Peach Springs — Grand Canyon Caverns —

On Grand Canyon Caverns Road 1.1 miles south of Arizona Route 66.

44 ► Arizona, Coconino County, Sunset Crater Volcano National Monument — As Powerful as a Volcano —

Near Lava Flow Trail.

45 ► Arizona, Coconino County, Sunset Crater Volcano National Monument — Life and Landscape Transformed —

Near Lava Flow Trail.

46 ► Arizona, Coconino County, Sunset Crater Volcano National Monument — The Birth of a Mountain —

Near Lava Flow Trail.

47 ► Arizona, Mohave County, Fredonia — How Can 10 Million Gallons of Water a Year Suddenly Appear in a Stony Desert? — Pipe Spring National Monument —

Near North Pipe Spring Road 0.3 miles north of Arizona Route 389, on the left when traveling north.

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48 ► Arizona, Mohave County, Fredonia — Remnants of a Frozen Sahara — Pipe Spring National Monument —

Near North Pipe Spring Road 0.3 miles north of Arizona Route 389, on the left when traveling north.

49 ► Arizona, Navajo County, Holbrook — A Gap in the Geologic Record —

On Petrified Forest Road, on the left when traveling east.

50 ► Arizona, Navajo County, Holbrook — Desert Vistas —

Near Petrified Forest Road, on the left when traveling east.

51 ► Arizona, Navajo County, Holbrook — From Wood to Stone —

On Petrified Forest Road, on the right when traveling north.

52 ► Arizona, Navajo County, Holbrook — Painted Desert Community Complex Historic District —

Near Interstate 40.

53 ► Arizona, Navajo County, Holbrook — The Painted Desert —

Near Petrified Forest Road, on the left when traveling north.

54 ► Arizona, Navajo County, Holbrook — Triassic Landscape

Near Petrified Forest Road, on the right when traveling north. Reported permanently removed.

55 ► Arizona, Navajo County, Shonto — A Relict Forest — Navajo National Monument —

Near State Highway 564 at County Route 221.

56 ► Arizona, Navajo County, Shonto — Upside-down Mountain — Navajo National Monument —

On Arizona Route 564.

57 ► Arizona, Navajo County, Winslow — Sunset Crossing —

On East Second Street/Old Route 66 (Arizona Route 66), on the left when traveling east.

58 ► Arizona, Pima County, Tucson, Menlo Park — Sentinel Peak —

On South Sentinel Peak Road, on the left when traveling north.

59 ► Arizona, Pima County, Vail — Colossal Cave Mountain Park —

Near East Old Spanish Trail.

60 ► Arizona, Yavapai County, Sedona — Wilson Mtn. Trail — National Recreational Trail —

Near Arizona Route 89A, on the left when traveling north.

61 ► Arkansas, Arkansas County, Arkansas Post — The Post of Arkansas —

On Old Post Road at State Route 169, on the right when traveling south on Old Post Road.

62 ► Arkansas, Carroll County, Eureka Springs — Calif Spring — South Main —

On Main Street (State Highway 23) at Armstrong, on the right when traveling south on Main Street.

63 ► Arkansas, Clay County, St. Francis — Chalk Bluff —

Near County Road 347, on the right when traveling north.

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64 ► Arkansas, Crawford County, Van Buren — Log Town Hill —

On Fayetteville Road (State Highway 59) south of Hynes Street, on the right when traveling south.

65 ► Arkansas, Garland County, Hot Springs — DeSoto Camp —

On Central Avenue (Arkansas Route 7) at Fountain Street, on the right when traveling north on Central Avenue.

66 ► Arkansas, Garland County, Hot Springs — Hot Springs —

On Central Avenue (State Highway 7) just south of Fountain Street, on the right.

67 ► Arkansas, Garland County, Hot Springs, Hot Springs National Park — Geology Rocks! —

On Central Avenue.

68 ► Arkansas, Garland County, Hot Springs, Hot Springs National Park — Ral City —

Near Central Avenue.

69 ► Arkansas, Garland County, Hot Springs, Hot Springs National Park — The Zig Zag Mountains —

On N Mountain Drive, on the right when traveling north.

70 ► Arkansas, Garland County, Hot Springs, Hot Springs National Park — Water Quality through Time —

Near Central Avenue.

71 ► Arkansas, Garland County, Mountain Pine — Three Sisters Springs History —

On State Park Lane, on the right when traveling north.

72 ► Arkansas, Jefferson County, Pine Bluff — Bayou Bartholomew —

On South Main Street at South Olive Street (Business U.S. 63), on the right when traveling north on South Main Street.

73 ► Arkansas, Phillips County, Helena — Battery A —

On Adams Street east of Beech Street, on the right when traveling west.

74 ► Arkansas, Phillips County, Helena — Battery D —

On Military Road 0.1 miles west of Prairie Street, on the left when traveling south.

75 ► Arkansas, Pike County, Murfreesboro — A Multifaceted History —

Near State Park Road.

76 ► Arkansas, Pike County, Murfreesboro — An Attempt at Riches — The Martin Processing Plant —

On State Park Road.

77 ► Arkansas, Pike County, Murfreesboro — End of a Mystery: What is Below the Surface? —

On State Park Road.

78 ► Arkansas, Pike County, Murfreesboro — B-26 — Pike County Diamond Mines —

On Courthouse Square at North Washington Avenue, on the left when traveling west on Courthouse Square.

79 ► Arkansas, Pulaski County, Jacksonville — The Memphis to Little Rock Railroad — Samson Gray Helps Link the State Capital with the Mississippi —

Near East Trickey Lane at Military Road.

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80 ► Arkansas, Pulaski County, Little Rock — One Old Rock — La Petite Roche Historical Walk —

Near President Clinton Avenue.

81 ► Arkansas, Pulaski County, Little Rock — Smaller Rock, Big Bridge — La Petite Roche Historical Walk —

Near President Clinton Avenue.

82 ► Arkansas, Pulaski County, Little Rock — The Big Rock and the Little Rock — La Petite Roche Historical Walk —

Near President Clinton Avenue.

83 ► Arkansas, Pulaski County, Little Rock — Witness to Removal — La Petite Roche Historical Walk —

Near President Clinton Avenue.

84 ► Arkansas, Searcy County, Marshall — Devils Backbone Road Cut-Geology / Construction —

On U.S. 65 north of County Road 415, on the right when traveling south.

85 ► California, Alameda County, Berkeley, Berkeley Hills — Indian Rock — Berkeley History —

On Indian Rock Avenue.

86 ► California, Alameda County, Berkeley, Berkeley Hills — Thousand Oaks Neighborhood and Urns — Circa 1909-1910 — Mark Daniels, Landscape Engineer —

On San Fernando Avenue at Yosemite Road on San Fernando Avenue.

87 ► California, Alameda County, Berkeley, North Berkeley — Live Oak Park — 1914 — Berkeley History

Near Shattuck Avenue near Berryman Street. Reported permanently removed.

88 ► California, Alameda County, Fremont, Cameron Hills — Under the Canopy —

Near Via Orinda near Castillejo Way.

89 ► California, Alameda County, Piedmont — Sulphur Springs Grotto — The Healing Powers of Mineral Springs —

Near Wildwood Avenue, on the right when traveling west.

90 ► California, Alpine County, Kirkwood — Caples Lake —

On Carson Pass Highway (State Highway 88), on the right when traveling east.

91 ► California, Alpine County, Kirkwood — Summer Retreat —

On California 88, on the right when traveling east.

92 ► California, Alpine County, Markleeville — Grover Hot Springs —

Near Hot Springs Road.

93 ► California, Amador County, Volcano — Volcano Masonic Cave —

Near Masonic Cave Road 0.2 miles north of Pine Grove Volcano Road.

94 ► California, Butte County, Oroville — Bald Rock Dome —

Near Bryant Ravine Road (Forest Road 21N35Y) 1.6 miles north of Lumpkin Road when traveling north.

95 ► California, Calaveras County, Angels Camp — Stalactite/Stalagmite —

On South Main Street (California Route 49), on the left when traveling south.

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96 ► California, Calaveras County, Cave City — 956 — California Caverns at Cave City — California Historical Landmark No. 956 —

On Cave City Rdoad 2 miles east of Michel Road, on the left when traveling east.

97 ► California, Calaveras County, Murphys — Mercer Caverns —

Near Sheep Ranch Road.

98 ► California, Contra Costa County, Clayton — History of Marsh Creek Springs —

Near Marsh Creek Road near Aspara Drive.

99 ► California, Contra Costa County, Clayton — Old Marsh Creek Springs —

Near Marsh Creek Road near Aspara Drive, on the left when traveling west.

100 ► California, Contra Costa County, El Cerrito — Cerrito Creek

On San Pablo Avenue at Carlson Boulevard, on the left when traveling north on San Pablo Avenue. Reported unreadable.

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