1 ► Alabama, Baldwin County, Bay Minette — A County Older Than the State, Baldwin County —

On Courthouse Square (U.S. 31) at Hand Avenue, on the left when traveling east on Courthouse Square.

2 ► Alabama, Baldwin County, Gulf Shores — Indian Village Achuse —

On Alabama Route 180 east of Gasque Lane, on the right when traveling west.

3 ► Alabama, Baldwin County, Magnolia Springs — The Springs —

Near Magnolia Springs Highway (County Route 49) 0.1 miles east of Oak Street.

4 ► Alabama, Baldwin County, Spanish Fort — Bay of the Holy Spirit —

On Battleship Parkway (U.S. 98) near Interstate 10, on the right when traveling east.

5 ► Alabama, Baldwin County, Spanish Fort — Caisson Trace —

On Caisson Trace at Spanish Main Street, on the left when traveling west on Caisson Trace.

6 ► Alabama, Baldwin County, Spanish Fort — Spanish Fort —

On Spanish Main Street north of Spanish Fort Boulevard (U.S. 31), on the right when traveling north.

7 ► Alabama, Butler County, Greenville — Bartram's Trail —

On Sherling Lake Road (County Road 44) 1 mile west of Braggs Road (State Route 263), on the right when traveling west.

8 ► Alabama, Calhoun County, Oxford — The "Shattering" of the Mississippian World — AD 1540 to AD 1730 — Choccolocco Park Interpretive Trail —

Near Leon Smith Parkway.

9 ► Alabama, Cherokee County, Cedar Bluff — Indian Village of Costa —

On Old Alabama Route 9 west of Sewell Ferry Road, on the right when traveling west.

10 ► Alabama, Choctaw County, Gilbertown — First Oil Well In Alabama —

On Paragon Road (County Road 16) 2 miles west of State Route 17, on the left when traveling west.

11 ► Alabama, Clay County, Delta — Home Sweet Home —

12 ► Alabama, Cleburne County, Muscadine — Hernando de Soto in Alabama —

Near Interstate 20 (Interstate 20) west of Alabama Route 37, on the right when traveling west.

13 ► Alabama, Colbert County, Muscle Shoals — Explore the River —

On Reservation Road.

14 ► Alabama, Dallas County, Cahaba — Alabama's Native Prairie

On Capitol Street at Cahaba Road, on the right when traveling east on Capitol Street. Reported permanently removed.

15 ► Alabama, DeKalb County, Sulphur Springs — The De Soto Trail — Hernando De Soto In Alabama —

Near Interstate 59, 1 mile north of County Road 140, on the right when traveling south.

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16 ► Alabama, DeKalb County, Sulphur Springs — The De Soto Trail —

Near Interstate 59, 1 mile north of County Road 140, on the right when traveling south.

17 ► Alabama, Elmore County, Wetumpka — Bartram's Trail —

On West Fort Toulouse Road, 0.1 miles west of U.S. 231, on the right when traveling west.

18 ► Alabama, Elmore County, Wetumpka — William Bartram Arboretum — 1739 - 1823 —

Near West Fort Toulouse Road, 0.2 miles south of Jackson Park Road.

19 ► Alabama, Houston County, Columbia — Omussee Creek Mound and the Ancestors of the Creeks — Creek Heritage Trail —

On Omussee Creek Road, 0.5 miles north of Picnic Road, on the right when traveling north.

20 ► Alabama, Houston County, Cottonwood — Southern Boundary of the United States — 1795-1819 —

On U.S. 231 at State Line Road, on the right when traveling north on U.S. 231.

21 ► Alabama, Lauderdale County, Florence, East Florence — Jesse Clopton James — City of Florence Walk of Honor —

On Hightower Place.

22 ► Alabama, Lee County, Smiths Station — Line 32° 28´ North Latitude —

On County Road 430, 0.6 miles south of County Road 248, on the left when traveling south.

23 ► Alabama, Limestone County, Ardmore — Hernando De Soto in Alabama — De Soto Trail —

24 ► Alabama, Lowndes County, Tyler — Talisi visited by De Soto — Sept. 18, 1540 —

On U.S. 80 at County Road 7, on the right when traveling west on U.S. 80.

25 ► Alabama, Macon County, Tuskegee — Bartram's Trail —

On Forest Road 949, 0.2 miles north of State Route 186, on the left when traveling north.

26 ► Alabama, Madison County, Huntsville — Armstrong • Collins • Aldrin — Launched: July 16, 1969 • Landed: July 20, 1969 • Splashdown: July 24, 1969 — "That's one small step for a man, one giant leap for mankind." —

Near Tranquility Base, 0.5 miles west of Old Madison Pike NW, on the left when traveling west.

27 ► Alabama, Madison County, Huntsville — Cernan • Evans • Schmitt — Launched: December 7, 1972 • Landed: December 11, 1972 • Splashdown: December 19, 1972 — "...America's challenge of today has forged man's destiny of tomorrow." —

Near Tranquility Base, 0.5 miles west of Old Madison Pike NW, on the left when traveling west.

28 ► Alabama, Madison County, Huntsville — Conrad • Gordon • Bean — Launched: November 14, 1969 • Landed: November 19, 1969 • Splashdown: November 24, 1969 — "I see the Surveyor! I see the Surveyor!" —

Near Tranquility Base, 0.5 miles west of Old Madison Pike NW, on the left when traveling west.

29 ► Alabama, Madison County, Huntsville — External Tank — Liquid Propellent Supply for Space Shuttle Main Engines —

Near Tranquilty Base, 0.5 miles west of Madison Pike, on the left when traveling west.

30 ► Alabama, Madison County, Huntsville — Lovell • Swigert • Haise — Launched: April 11, 1970 • Splashdown: April 17, 1970 — "Okay Houston, Hey, We've got a problem here..." —

On Tranquility Base, 0.5 miles west of Old Madison Pike NW, on the left when traveling west.

31 ► Alabama, Madison County, Huntsville — McDivitt • Scott • Schweickart / Stafford • Young • Cernan — Launched: March 3, 1969 • Splashdown: March 13,1969 — Launched: May 18, 1969 • Splashdown: May 26, 1969 —

Near Tranquility Base, 0.5 miles west of Old Madison Pike NW, on the left when traveling west.

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32 ► Alabama, Madison County, Huntsville — Ms. Baker: Monkeynaut —

Near Tranquility Base, 0.5 miles west of Madison Pike, on the left when traveling west.

33 ► Alabama, Madison County, Huntsville — Saturn V —

Near Tranquility Base, 0.5 miles west of Old Madison Pike NW, on the left when traveling west.

34 ► Alabama, Madison County, Huntsville — Schirra • Eisele • Cunningham / Borman • Lovell • Anders — Launched: October 11, 1968 • Splashdown: October 22, 1968 — Launched: December 21, 1968 • Splashdown: December 27, 1968 —

Near Tranquility Base, 0.5 miles west of Old Madison Pike NW, on the left when traveling west.

35 ► Alabama, Madison County, Huntsville — Scott • Worden • Irwin — Launched: July 26, 1971 • Landed: July 30, 1971 • Splashdown: August 7, 1971 — "It's really rolling hills, up and down we go, buckin' bronco!" —

Near Tranquility Base, 0.5 miles west of Old Madison Pike NW, on the left when traveling west.

36 ► Alabama, Madison County, Huntsville — Shepard • Roosa • Mitchell — Launched: January 31, 1971 • Landed: February 5, 1971 • Splashdown: February 9, 1971 — "...It's been a long way, but we're here." —

Near Tranquility Base, 0.5 miles west of Old Madison Pike NW, on the left when traveling west.

37 ► Alabama, Madison County, Huntsville — U.S. Army/NASA Juno II —

Near Tranquility Base, 0.5 miles west of Madison Pike, on the left when traveling west.

38 ► Alabama, Madison County, Huntsville — Young • Mattingly • Duke — Launched: April 16, 1972 • Landed: April 20, 1972 • Splashdown: April 27, 1972 — "Look at the size of that rock!" —

Near Tranquility Base, 0.5 miles west of Old Madison Pike NW, on the left when traveling west.

39 ► Alabama, Marshall County, Guntersville — Indian Village Tali —

On Gunter Avenue (U.S. 431) at Court Street, on the left when traveling south on Gunter Avenue.

40 ► Alabama, Mobile County, Dauphin Island — Dauphin Island —

On Bienville Boulevard at Lackland Street, on the right when traveling east on Bienville Boulevard.

41 ► Alabama, Mobile County, Grand Bay — William Bartram Trail — Traced 1773-1777 — Deep South Region —

Near Interstate 10, 2 miles east of Franklin Creek Road.

42 ► Alabama, Mobile County, Le Moyne — Ellicott's Stone — Erected April 9th, 1799

On U.S. 43 at milepost 19,, 0.1 miles south of Lofton Road, on the right when traveling north. Reported damaged.

43 ► Alabama, Mobile County, Mobile — Crown & Scepter of Isabel —

Near Government Street (U.S. 90) just east of South Hamilton Street, on the right when traveling east.

44 ► Alabama, Mobile County, Mobile — Hernando de Soto — C 1500-1542 —

Near South Franklin Street south of Government Street (U.S. 90), on the left when traveling north.

45 ► Alabama, Mobile County, Mobile — Isabel La Catolica — 1451-1504 —

Near Government Street (U.S. 90) just east of South Hamilton Street, on the right when traveling east.

46 ► Alabama, Mobile County, Mobile — Our Spanish Heritage —

On Government Street (U.S. 90) east of South Hamilton Street, on the right when traveling east.

47 ► Alabama, Mobile County, Mobile — Pierre Le Moyne d'Iberville —

On St Francis Street at North Conception Street, on the right when traveling east on St Francis Street.

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48 ► Alabama, Mobile County, Mobile — Tristan de Luna y Arellano — 1519–1573 —

Near Battleship Parkway (U.S. 98) 0.7 miles south of Interstate 10, on the right when traveling east.

49 ► Alabama, Montgomery County, Maxwell Air Force Base — Site of Indian Town Tawasa — 1540-1814 —

Near West Hickory Street at Chennault Circle when traveling west.

50 ► Alabama, Montgomery County, Montgomery — Alabama River: The Grand Avenue —

Near Water Street west of Whitman Street, on the right when traveling west.

51 ► Alabama, Montgomery County, Montgomery — Europeans Along the Alabama River —

Near Water Street.

52 ► Alabama, Montgomery County, Montgomery — Struggle For Colonial Empire —

Near Water Streer at Commerce Street, on the right when traveling west.

53 ► Alabama, Pickens County, Aliceville — George Downer Field — Aliceville, Alabama — Dedicated Nov. 7, 1961 —

On Alabama Route 17, 0.2 miles south of Iron Bridge Road, on the right when traveling south.

54 ► Alabama, Russell County, Fort Mitchell — Archaeology And Our Understanding of the Creek People — Creek Heritage Trail —

Near County Route 165, 2.3 miles south of Nuckols Road (Road 39).

55 ► Alabama, Russell County, Phenix City — The Creek Town of Coweta — Creek Heritage Trail —

Near Dillingham Street at Brickyard Road (Route 61).

56 ► Alabama, Russell County, Phenix City — William Bartram Trail — Traced 1773-1777 — Deep South Region

On U.S. 280 just east of General Colin Powell Parkway, in the median. Reported missing.

57 ► Alabama, St. Clair County, Pell City — None — A County Older Than The State — St. Clair County —

On Cogswell Avenue at 18th Street, on the right when traveling west on Cogswell Avenue.

58 ► Alabama, Sumter County, York — Line 32° 28´ North Latitude —

On 4th Avenue (U.S. 11) 0.6 miles north of Longshore Drive, on the right when traveling north.

59 ► Alabama, Talladega County, Childersburg — Coosa —

On Plant Road (Alabama Route 235 at milepost 2), on the left when traveling north.

60 ► Alabama, Talladega County, Childersburg — De Soto's Visit —

On U.S. 280 at Childersburg Fayettville Highway (State Highway 76), on the right when traveling south on U.S. 280.

61 ► Alabama, Talladega County, Childersburg — History Of Childersburg —

On 1st Street Southwest (State Highway 76) at 6th Avenue Southwest, on the right when traveling east on 1st Street Southwest.

62 ► Alabama, Talladega County, Childersburg — The De Soto Trail / Chief Coosa And His Dominion — Alabama De Soto Trail —

On U.S. 280 at Childersburg Fayettville Highway (State Highway 76), on the right on U.S. 280.

63 ► Alabama, Washington County, Chatom — Washington County — First County in Alabama —

On Court Street north of Central Avenue (Alabama Route 56), on the left when traveling north.

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64 ► Alaska, Anchorage — Captain James Cook — R.N., F.R.S. — Navigator, Explorer, Chartmaker, Scientist, Humanist / 1728 – 1779 —

Near L Street.

65 ► Alaska, Anchorage — Resolution Park 1776 / 1778 —

On L Street, on the right when traveling south.

66 ► Alaska, Fairbanks North Star Borough, Fairbanks — Alaska's Gold Rush Era —

On Richardson Highway (Alaska Route 2), on the right when traveling south.

67 ► Alaska, Fairbanks North Star Borough, Fairbanks — Tanana Valley Gold —

On Richardson Highway (Alaska Route 2), on the right when traveling south.

68 ► Alaska, Juneau Borough, Juneau, Twin Lakes — Wagner Mine —

On Salmon Creek Lane.

69 ► Alaska, Sitka Borough, Sitka — 250th Anniversary of the Bering- Chirikov Expedition — 1741-1991 —

70 ► Alaska, Sitka Borough, Sitka — Noow Tlein —

71 ► Alaska, Skagway — Skagway Centennial Statue — 1897 —

On Broadway, on the right when traveling north.

72 ► Arizona, Apache County, Lupton — One Days Ride to Zuni —

Near Interstate 40 at milepost 359.

73 ► Arizona, Cochise County, Bisbee — Discovery of Ore

On Arizona Route 80 at milepost 341,, 0.2 miles west of Main Street, on the right when traveling west. Reported missing.

74 ► Arizona, Cochise County, Bowie — Parke Camp Site —

Near Fort Bowie Trail, 0.4 miles south of Apache Pass Road.

75 ► Arizona, Cochise County, Hereford — The Coronado Expedition, 1540-42 —

Near East Montezuma Canyon Road..

76 ► Arizona, Coconino County, Flagstaff — Beale Road — Historic Site —

On U.S. 180, on the right when traveling north.

77 ► Arizona, Coconino County, Flagstaff — Henry Lee Giclas — December 10, 1910 - April 2, 2007 —

Near West Mars Hill Road, 0.6 miles west of West Santa Fe Avenue.

78 ► Arizona, Coconino County, Flagstaff — Lowell Observatory — National Historic Landmark —

Near West Mars Hill Road, 0.6 miles west of West Santa Fe Avenue.

79 ► Arizona, Coconino County, Flagstaff — The Lawrence Lowell Telescope —

Near West Mars Hill Road, 0.6 miles west of West Santa Fe Avenue.

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80 ► Arizona, Coconino County, Fredonia — 29 — Pipe Springs National Monument —

On U.S. 89A at milepost 609, on the left when traveling north.

81 ► Arizona, Coconino County, Fredonia — Prickly Pears and Pinion Nuts — Dominguez y Escalante Expedition 1776-1976 —

On U.S. 89A at milepost 609, on the left when traveling north.

82 ► Arizona, Coconino County, Grand Canyon National Park — Bright Angel Trail —

83 ► Arizona, Coconino County, Grand Canyon National Park — Colonel Claude Hale Birdseye — 1878-1941 — Explorer • Geographer • Surveyor —

Near Hermit Road.

84 ► Arizona, Coconino County, Grand Canyon National Park — Early Explorer —

On Hermits Road, on the right when traveling east.

85 ► Arizona, Coconino County, Grand Canyon National Park — Kolb Studio — Grand Canyon National Park —

86 ► Arizona, Coconino County, Grand Canyon National Park — Mining on Horseshoe Mesa —

87 ► Arizona, Coconino County, Grand Canyon National Park — The Best Section —

Near Hermit Road at West Rim Trail.

88 ► Arizona, Coconino County, Grand Canyon Village — Spanish Discovery —

Near Desert View Drive (Arizona Route 64) 14.6 miles east of South Entrance Road, on the left when traveling east.

89 ► Arizona, Coconino County, Marble Canyon — Dominguez y Escalante Expedition — 1776 - 1976 — Treacherous Descent

On U.S. 89A at milepost 557, on the left when traveling east. Reported missing.

90 ► Arizona, Coconino County, Marble Canyon — Impossible Canyons — Dominguez y Escalante Expedition 1776-1976 —

On U.S. 89A at milepost 538.3, on the right when traveling west.

91 ► Arizona, Coconino County, Page — Crossing of the Fathers — Dominguez y Escalante Expedition 1776-1976 —

On Lake Powell Boulevard at Navajo Drive, on the right when traveling north on Lake Powell Boulevard.

92 ► Arizona, Coconino County, Page — Emma Dean —

On Lake Powell Boulevard at Navajo Drive, on the right when traveling north on Lake Powell Boulevard.

93 ► Arizona, Coconino County, Page — Major John Wesley Powell — 1834-1902 —

Near U.S. 89.

94 ► Arizona, Coconino County, Sunset Crater Volcano National Monument — "The Peaks" —

95 ► Arizona, Coconino County, Sunset Crater Volcano National Monument — Geological Infant —

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96 ► Arizona, Coconino County, Walnut Canyon National Monument — A Time of Change —

97 ► Arizona, Coconino County, Williams — Bill Williams Mountain — Elevation 9,264 Ft —

On West Bill Williams Avenue/West Route 66, on the left when traveling east.

98 ► Arizona, Coconino County, Williams — William Sherley Williams — Sculpture by B.R. Pettit —

On East Railroad Avenue near South 9th Street, in the median.

99 ► Arizona, Graham County, Safford — The Gila Valley

On U.S. 70 at milepost 341, on the right when traveling east. Reported missing.

100 ► Arizona, Greenlee County, Clifton — San Francisco River —

On The Coronado Trail (U.S. 191 at milepost 163), on the right when traveling north.

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