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Maps, Facts, & Figures [title] Antiquities Act 1906-2006 [link to homepage]
1. Devils Tower 6. Cinder Cone 7. Lassen Volcanic 10. Muir Woods 13. Pinnacles 14. Jewel Cave 16. Lewis and Clark 19. Mount Olympus 21. Oregon Caves 24. Shoshone Caverns 28. Big Hole Battlefield 30. Devil Postpile 31. Cabrillo 36. Sieur de Monts 39. Verendrye 42. Scotts Bluff 44. Lehman Caves 46. Fossil Cycad 49. Mound City Group 54. Craters of the Moon 55. Fort Wood 56. Castle Pinckney 57. Fort Pulaski 58. Fort Marion 59. Fort Matanzas 61. Meriwether Lewis 63. Father Millet Cross 64. Lava Beds 70. Death Valley 74. Fort Jefferson 75. Joshua Tree 78. Channel Islands 79. Fort Laramie 80. Santa Rosa Island 82. Jackson Hole 83. Effigy Mounds 84. Edison Laboratory 85. Chesapeake and Ohio Canal 86. Russell Cave 106. California Coastal 108. Giant Sequoia 110. Cascade Siskiyou 111. Hanford Reach 113. President Lincoln and Soldier's Home 115. Carrizo Plain 117. Minidoka Internment 118. Pompeys Pillar 120. Upper Missouri River Breaks 122. Governors Island 123. African Burial Ground The Southwest

Well over a hundred national monuments across the United States have been established by different presidents under the authority of the Antiquities Act of 1906. Each monument on the map above is numbered according to the sequence in which it was established. Click on the numbers to learn about national monuments and their histories, and to find links to the monuments’ home pages. Click here for a list of national monuments designated by Congress.

Find out how to visit a national monument from its homepage, or go to the National Park Service's Parks and Recreation page and the Bureau of Land Management's Adventures in the Past page.

1. Devils Tower

Wyoming

(NPS Photo) View of the landform at Devils Tower National Monument

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Action Date President/ Congress Acres Affected
Established 09/24/1906 T. Roosevelt 1,193.91
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6. Cinder Cone

California

(NPS Photo) View of Cinder Cone

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Action Date President/ Congress Acres Affected
Established 05/06/1907 T. Roosevelt 5,120
Incorporated into Lassen Volcanic NP 08/09/1916 64th Congress  
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7. Lassen Volcanic

California

(NPS Photo) Lassen Peak erupting in 1914.

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Action Date President/ Congress Acres Affected
Established 05/06/1907 T. Roosevelt 1,280
Redesignated Lassen Volcanic NP 08/09/1916 64th Congress  
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10. Muir Woods

California

(NPS Photo) Park visitors among the redwoods at Muir Woods.

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Action Date President/ Congress Acres Affected
Established 01/09/1908 T. Roosevelt 295
Enlarged 09/22/1921 W. Harding 128.14
Enlarged 04/05/1935 F. Roosevelt 1.36
Enlarged 06/26/1951 H. Truman 504.271
Enlarged 09/08/1959 D. Eisenhower 6.16
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13. Pinnacles

California

(NPS Photo) Pinnacle peaks soar above woodlands
Action Date President/ Congress Acres Affected
Established 01/16/1908 T. Roosevelt 1,320
Enlarged 05/07/1923 W. Harding 2,653.46
Enlarged 07/02/1924 C. Coolidge 2,980.26
Enlarged 07/11/1933 F. Roosevelt 4805
Enlarged 12/05/1941 F. Roosevelt 4,589.26
Enlarged 01/11/2000 W. Clinton 7,900
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14. Jewel Cave

South Dakota

(NPS Photo) Mineral formations from Jewel Cave
State Date President/ Congress Acres Affected
Established 02/07/1908 T. Roosevelt 1,274.56
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16. Lewis and Clark Cavern

Montana

(NPS Photo) Jellyfish-like mineral formations
Action Date President/ Congress Acres Affected
Established 05/11/1908 T. Roosevelt 160
Boundaries Confirmed 05/16/1911 W. Taft 160
Transferred to MT, now a state park 08/24/1937 75th Congress  
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19. Mount Olympus

Washington

(NPS Photo) Mountain scenery at Olympic NP

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Action Date President/ Congress Acres Affected
Established 03/02/1909 T. Roosevelt 639,200
Diminished 04/17/1912 W. Taft 160
Diminished 05/11/1915 W. Wilson 313,280
Diminished 01/07/1929 C. Coolidge 640
Redesignated NP 06/29/1938 75th Congress  
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21. Oregon Caves

Oregon

(NPS Photo) Exotic mineral formations in Oregon Caves
Action Date President/ Congress Acres Affected
Established 07/12/1909 W. Taft 465.80
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24. Shoshone Cavern

Wyoming

(NPS Photo) Spelunkers stand at the entrance of Shoshone Cavern
Action Date President/ Congress Acres Affected
Established 09/21/1909 W. Taft 210
Transferred to WY 05/17/1954 83d Congress  
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28. Big Hole Battlefield

Montana

(NPS Photo) Tipi frame stands on the frozen Big Hole Battlefield
Action Date President/ Congress Acres Affected
Established 06/23/1910 W. Taft 5
Enlarged 06/29/1939 F. Roosevelt 195
Redesignated NB 05/17/1963 88th Congress  
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30. Devil Postpile

California

(NPS Photo) Basalt columns at Devils Postpile
Action Date President/ Congress Acres Affected
Established 07/06/1911 W. Taft 798.46
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31. Cabrillo

California

(NPS Photo) Boys gaze up at Juan Rodríguez Cabrillo, leader of the first European expedition to land on the Pacific coast

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Action Date President/ Congress Acres Affected
Established 10/14/1913 W. Wilson 0.50
Enlarged 02/02/1959 D. Eisenhower 80
Enlarged 09/28/1974 G. Ford 56.6
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36. Sieur de Monts

Maine

(NPS Photo) Pink granite coastline at Acadia National Park

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Action Date President/ Congress Acres Affected
Established 07/08/1916 W. Wilson 5,000
Redesignated Lafayette NP 02/26/1919 65th Congress  
Redesignated Acadia NP 1930    
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39. Verendrye

North Dakota

(NPS Photo) Picturesque Crowhigh Butte at Verendrye
Action Date President/ Congress Acres Affected
Established 06/29/1917 W. Wilson 253.04
Transferred to ND 07/30/1956 84th Congress  
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42. Scotts Bluff

Nebraska

(NPS Photo) Scotts Bluff marks the trail of the westward passage
Action Date President/ Congress Acres Affected
Established 12/12/1919 W. Wilson 2,053.83
Enlarged 03/29/1940 F. Roosevelt 53.34
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44. Lehman Caves

Nevada

(NPS Photo) Mineral formations in Lehman Caves
Action Date President/ Congress Acres Affected
Established 01/24/1922 W. Harding 593.03
Incorporated into Great Basin NP 10/27/1986 99th Congress  
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46. Fossil Cycad

South Dakota

(NPS Photo) Model of extinct cyad
Action Date President/ Congress Acres Affected
Established 10/21/1922 W. Harding 320
Transferred to BLM 08/01/1956 84th Congress  
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49. Mound City Group

Ohio

(NPS Photo) Mounds in the mellow morning mist
Action Date President/ Congress Acres Affected
Established 03/02/1923 W. Harding 57
Redesignated Hopewell Culture NHP 05/27/1992 102d Congress  
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54. Craters of the Moon

Idaho

(NPS Photo) Giant crater in the stark volcanic landscape
Action Date President/ Congress Acres Affected
Established 05/02/1924 C. Coolidge 22,651.8
Enlarged 07/23/1928 C. Coolidge 26,240
Enlarged 07/09/1930 H. Hoover  
Diminished 07/18/1941 F. Roosevelt (R.O.W.)
Enlarged 11/19/1962 J. Kennedy 5360
Enlarged under BLM 11/09/2000 W. Clinton 661,287
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55. Fort Wood

New York

(NPS Photo) Statue of Liberty perched atop Fort Wood
Action Date President/ Congress Acres Affected
Established 10/15/1924 C. Coolidge 2.5
Enlarged 09/07/1937 F. Roosevelt 7.88
Enlarged, redesignated Statue of Libery NM 05/11/1965 L. Johnson 48
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56. Castle Pinckney

South Carolina

(NPS Photo) Cannonballs stacked at the ready in Charleston's Castle Pinckney
Action Date President/ Congress Acres Affected
Established 10/15/1924 C. Coolidge 3.5
Transferred to SC 03/29/1956 84th Congress  
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57. Fort Pulaski

Georgia

(NPS Photo) Metal gates at Fort Pulaski
Action Date President/ Congress Acres Affected
Established 10/15/1924 C. Coolidge 20
Enlarged 08/14/1958 D. Eisenhower 2.5
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58. Fort Marion

Florida

(NPS Photo) Tourists enjoy the view at Fort Marion
Action Date President/ Congress Acres Affected
Established 10/15/1924 C. Coolidge 18.51
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59. Fort Matanzas

Florida

(NPS Photo) Guard towers watch the walls of Fort Matanzas
Action Date President/ Congress Acres Affected
Established 10/15/1924 C. Coolidge 1
Enlarged 01/09/1935 F. Roosevelt 88
Enlarged 03/24/1948 H. Truman 209.42
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61. Meriwether Lewis

Tennessee

(NPS Photo) Meriwether Lewis cabin
Action Date President/ Congress Acres Affected
Established 02/06/1925 C. Coolidge 50
Enlarged 12/06/1927 C. Coolidge 100
Included in the Natchez Trace Parkway, now Natchez Trace National Scenic Trail 08/10/1961    
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63. Father Millet Cross

New York

(NPS Photo) Fr. Millet Cross at Old Fort Niagara
Action Date President/ Congress Acres Affected
Established 09/05/1925 C. Coolidge 0.0074
Transferred to NY 09/07/1949 81st Congress  
Now part of Old Fort Niagara State Park      
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64. Lava Beds

California

(NPS Photo) Red volcanic soils at Lava Beds
Action Date President/ Congress Acres Affected
Established 11/21/1925 C. Coolidge 45,589.92
Enlarged 04/27/1951 H. Truman 211.13
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70. Death Valley

Calfornia - Nevada

(NPS Photo) Furnace Creek Formation below Zabriskie Point
Action Date President/ Congress Acres Affected
Established 02/11/1933 H. Hoover 848,581.36
Enlarged 03/26/1937 F. Roosevelt 305,920
Enlarged 01/17/1952 H. Truman 40
Redesignated NP 10/04/1994 103d Congress  
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74. Fort Jefferson

Florida

(NPS Photo) Fort Jefferson on its coral perch
Action Date President/ Congress Acres Affected
Established 01/04/1935 F. Roosevelt 47,125
Redesignated Dry Tortugas NP 10/26/1992 102d Congress  
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75. Joshua Tree

California

(NPS Photo) A Joshua tree
Action Date President/ Congress Acres Affected
Established 08/10/1936 F. Roosevelt 825,340
Redesignated NP 10/31/1994 103d Congress  
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78. Channel Islands

California

(NPS Photo) Sea lion enjoys sunset at the Channel Islands
Action Date President/ Congress Acres Affected
Established 04/26/1938 F. Roosevelt 1,119.98
Enlarged 02/09/1949 H. Truman 25,918.02
Redesignated NP 05/31/1980 96th Congress  
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79. Fort Laramie

Wyoming

(NPS Photo) Historic building at Fort Laramie
Action Date President/ Congress Acres Affected
Established 07/16/1938 F. Roosevelt 214.41
Redesignated NHS 04/29/1960 86th Congress  
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80. Santa Rosa Island

Florida

(NPS Photo) Gun battery at Fort Pickens
Action Date President/ Congress Acres Affected
Established 05/17/1939 F. Roosevelt 9,500
Diminished 08/13/1945 H. Truman 4,700
Incorporated into Gulf Islands NS 07/30/1946 79th Congress  
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82. Jackson Hole

Wyoming

(NPS Photo) Miner in the saddle at Jackson Hole
Action Date President/ Congress Acres Affected
Established 03/15/1943 F. Roosevelt 210,950
Redesignated Grand Teton NP 09/14/1950 Slat 81st Congress  
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83. Effigy Mounds

Iowa

(Photo by K. Block) Marching Bear effigy mounds
Action Date President/ Congress Acres Affected
Established 10/25/1949 H. Truman 1,000
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84. Edison Laboratory

New Jersey

(NPS Photo) Edison in his laboratory, inventing the future
Action Date President/ Congress Acres Affected
Established 07/14/1956 D. Eisenhower 1.51
Redesignated Edison NHS 09/05/1962 87th Congress  
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85. Chesapeake & Ohio Canal

Maryland

(NPS Photo) Jon boats rest on the tranquil C & O Canal
Action Date President/ Congress Acres Affected
Established 01/18/1961 D. Eisenhower 5,263.94
Redesignated NHP 01/08/1971 91st Congress  
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86. Russell Cave

Alabama

(NPS Photo) Diarama depicts Indian life at Russel Cave
Action Date President/ Congress Acres Affected
Established 05/11/1961 J. Kennedy 310.45
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106. California Coastal

California

(NPS Photo) Bird flock on a rock along the California coast
Action Date President/ Congress Acres Affected
Established 01/11/2000 W. Clinton 883
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108. Giant Sequoia

California

(NPS Photo) Visitors dwarfed by sequoia cross-section labeled with historical points
Action Date President/ Congress Acres Affected
Established, incorporated into Sequioa National Forest 04/15/2000 W. Clinton 327,769
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110. Cascade-Siskiyou

Oregon

(NPS Photo) Forest frames a distant peak at biologically diverse Cascade-Siskiyou
Action Date President/ Congress Acres Affected
Established (BLM) 06/09/2000 W. Clinton 52,000
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111. Hanford Reach

Washington

(NPS Photo) Sunrise lights the mighty Columbia at Hanford Reach
Action Date President/ Congress Acres Affected
Established 06/09/2000 W. Clinton 195,000
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113. President Lincoln and
Soldiers' Home

Washington, D.C.

(NPS Photo) Lincoln's Summer White House on the breezy hillside of the Soldiers' Home
Action Date President/ Congress Acres Affected
Established 07/07/2000 W. Clinton 2.3
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115. Carrizo Plain

California

(NPS Photo) Aerial view of the San Andreas Fault at Carrizo Plain
Action Date President/ Congress Acres Affected
Established (BLM) 01/17/2001 W. Clinton 204,107
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117. Minidoka Internment

Idaho

(NPS Photo) Japanese-American volunteers in parade formation at Minidoka
Action Date President/ Congress Acres Affected
Established 01/17/2001 W. Clinton 72.75
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118. Pompeys Pillar

Montana

(NPS Photo) Large sandstone butte, famously signed by William Clark of the Corps of Discovery
Action Date President/ Congress Acres Affected
Established (BLM) 01/17/2001 W. Clinton 51
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120. Upper Missouri River Breaks

Montana

(NPS Photo) Otherworldly formations on the Missouri
Action Date President/ Congress Acres Affected
Established (BLM) 01/17/2001 W. Clinton 377,346
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122. Governors Island

New York

(NPS Photo) Governors Island at the foot of Manhattan
Action Date President/ Congress Acres Affected
Authorized 01/19/2001 W. Clinton 20
Established 02/07/2003    
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123. African Burial Ground

New York

(Photo by B. Little) Stone marker reflects on the difficult past of American ancestors

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Action Date President/ Congress Acres Affected
Established 02/27/2006 G. W. Bush 0.345
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