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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](images/DevilsTower_thumb.jpg)
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Action | Date | President/ Congress | Acres Affected |
Established | 09/24/1906 | T. Roosevelt | 1,193.91 |
6. Cinder Cone
California
![(NPS Photo) View of Cinder Cone](images/CinderCone_thumb.jpg)
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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 |
7. Lassen Volcanic
California
![(NPS Photo) Lassen Peak erupting in 1914.](images/LassenVolcanic_thumb.jpg)
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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 |
10. Muir Woods
California
![(NPS Photo) Park visitors among the redwoods at Muir Woods.](images/MuirWoods_thumb.jpg)
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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 |
13. Pinnacles
California
![(NPS Photo) Pinnacle peaks soar above woodlands](images/Pinnacles-thmb.jpg)
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 |
14. Jewel Cave
South Dakota
![(NPS Photo) Mineral formations from Jewel Cave](images/JewelCave_thumb.jpg)
State | Date | President/ Congress | Acres Affected |
Established | 02/07/1908 | T. Roosevelt | 1,274.56 |
16. Lewis and Clark Cavern
Montana
![(NPS Photo) Jellyfish-like mineral formations](images/LewisAndClarck-thmb.jpg)
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 |
19. Mount Olympus
Washington
![(NPS Photo) Mountain scenery at Olympic NP](images/Olympic_thumb.jpg)
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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 |
21. Oregon Caves
Oregon
![(NPS Photo) Exotic mineral formations in Oregon Caves](images/OregonCaves_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 07/12/1909 | W. Taft | 465.80 |
24. Shoshone Cavern
Wyoming
![(NPS Photo) Spelunkers stand at the entrance of Shoshone Cavern](images/ShoshoneCavern-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 09/21/1909 | W. Taft | 210 |
Transferred to WY | 05/17/1954 | 83d Congress |
28. Big Hole Battlefield
Montana
![(NPS Photo) Tipi frame stands on the frozen Big Hole Battlefield](images/BigHole-thmb.jpg)
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 |
30. Devil Postpile
California
![(NPS Photo) Basalt columns at Devils Postpile](images/DevilsPostpile_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 07/06/1911 | W. Taft | 798.46 |
31. Cabrillo
California
![(NPS Photo) Boys gaze up at Juan RodrĂguez Cabrillo, leader of the first European expedition to land on the Pacific coast](images/Cabrillo_thumb.jpg)
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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 |
36. Sieur de Monts
Maine
![(NPS Photo) Pink granite coastline at Acadia National Park](images/SieurDeMonts2_thumb.jpg)
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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 |
39. Verendrye
North Dakota
![(NPS Photo) Picturesque Crowhigh Butte at Verendrye](images/Verendrye-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 06/29/1917 | W. Wilson | 253.04 |
Transferred to ND | 07/30/1956 | 84th Congress |
42. Scotts Bluff
Nebraska
![(NPS Photo) Scotts Bluff marks the trail of the westward passage](images/ScottsBluff_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 12/12/1919 | W. Wilson | 2,053.83 |
Enlarged | 03/29/1940 | F. Roosevelt | 53.34 |
44. Lehman Caves
Nevada
![(NPS Photo) Mineral formations in Lehman Caves](images/LehmanCaves_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 01/24/1922 | W. Harding | 593.03 |
Incorporated into Great Basin NP | 10/27/1986 | 99th Congress |
46. Fossil Cycad
South Dakota
![(NPS Photo) Model of extinct cyad](images/FossilCyad-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 10/21/1922 | W. Harding | 320 |
Transferred to BLM | 08/01/1956 | 84th Congress |
49. Mound City Group
Ohio
![(NPS Photo) Mounds in the mellow morning mist](images/MoundCityGroup_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 03/02/1923 | W. Harding | 57 |
Redesignated Hopewell Culture NHP | 05/27/1992 | 102d Congress |
54. Craters of the Moon
Idaho
![(NPS Photo) Giant crater in the stark volcanic landscape](images/CratersOfTheMoon_thumb.jpg)
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 |
55. Fort Wood
New York
![(NPS Photo) Statue of Liberty perched atop Fort Wood](images/FortWood_thumb.jpg)
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 |
56. Castle Pinckney
South Carolina
![(NPS Photo) Cannonballs stacked at the ready in Charleston's Castle Pinckney](images/CastlePinckney-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 10/15/1924 | C. Coolidge | 3.5 |
Transferred to SC | 03/29/1956 | 84th Congress |
57. Fort Pulaski
Georgia
![(NPS Photo) Metal gates at Fort Pulaski](images/FortPulaski_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 10/15/1924 | C. Coolidge | 20 |
Enlarged | 08/14/1958 | D. Eisenhower | 2.5 |
58. Fort Marion
Florida
![(NPS Photo) Tourists enjoy the view at Fort Marion](images/FtMarion-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 10/15/1924 | C. Coolidge | 18.51 |
59. Fort Matanzas
Florida
![(NPS Photo) Guard towers watch the walls of Fort Matanzas](images/FortMatanzas_thumb.jpg)
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 |
61. Meriwether Lewis
Tennessee
![(NPS Photo) Meriwether Lewis cabin](images/MeriwetherLewis_thumb.jpg)
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 |
63. Father Millet Cross
New York
![(NPS Photo) Fr. Millet Cross at Old Fort Niagara](images/FrMilletCross-thmb.jpg)
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 |
64. Lava Beds
California
![(NPS Photo) Red volcanic soils at Lava Beds](images/LavaBeds_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 11/21/1925 | C. Coolidge | 45,589.92 |
Enlarged | 04/27/1951 | H. Truman | 211.13 |
70. Death Valley
Calfornia - Nevada
![(NPS Photo) Furnace Creek Formation below Zabriskie Point](images/DeathValley_thumb.jpg)
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 |
74. Fort Jefferson
Florida
![(NPS Photo) Fort Jefferson on its coral perch](images/FortJefferson-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 01/04/1935 | F. Roosevelt | 47,125 |
Redesignated Dry Tortugas NP | 10/26/1992 | 102d Congress |
75. Joshua Tree
California
![(NPS Photo) A Joshua tree](images/JoshuaTree-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 08/10/1936 | F. Roosevelt | 825,340 |
Redesignated NP | 10/31/1994 | 103d Congress |
78. Channel Islands
California
![(NPS Photo) Sea lion enjoys sunset at the Channel Islands](images/ChannelIslands_thumb.jpg)
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 |
79. Fort Laramie
Wyoming
![(NPS Photo) Historic building at Fort Laramie](images/FortLaramie_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 07/16/1938 | F. Roosevelt | 214.41 |
Redesignated NHS | 04/29/1960 | 86th Congress |
80. Santa Rosa Island
Florida
![(NPS Photo) Gun battery at Fort Pickens](images/santaRosa-thmb.jpg)
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 |
82. Jackson Hole
Wyoming
![(NPS Photo) Miner in the saddle at Jackson Hole](images/JacksonHole_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 03/15/1943 | F. Roosevelt | 210,950 |
Redesignated Grand Teton NP | 09/14/1950 | Slat 81st Congress |
83. Effigy Mounds
Iowa
![(Photo by K. Block) Marching Bear effigy mounds](images/EffigyMounds-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 10/25/1949 | H. Truman | 1,000 |
84. Edison Laboratory
New Jersey
![(NPS Photo) Edison in his laboratory, inventing the future](images/EdisonLaboratory_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 07/14/1956 | D. Eisenhower | 1.51 |
Redesignated Edison NHS | 09/05/1962 | 87th Congress |
85. Chesapeake & Ohio Canal
Maryland
![(NPS Photo) Jon boats rest on the tranquil C & O Canal](images/Chesapeake_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 01/18/1961 | D. Eisenhower | 5,263.94 |
Redesignated NHP | 01/08/1971 | 91st Congress |
86. Russell Cave
Alabama
![(NPS Photo) Diarama depicts Indian life at Russel Cave](images/RussellCave-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 05/11/1961 | J. Kennedy | 310.45 |
106. California Coastal
California
![(NPS Photo) Bird flock on a rock along the California coast](images/CaliforniaCoastal_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 01/11/2000 | W. Clinton | 883 |
108. Giant Sequoia
California
![(NPS Photo) Visitors dwarfed by sequoia cross-section labeled with historical points](images/GiantSequoia_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established, incorporated into Sequioa National Forest | 04/15/2000 | W. Clinton | 327,769 |
110. Cascade-Siskiyou
Oregon
![(NPS Photo) Forest frames a distant peak at biologically diverse Cascade-Siskiyou](images/CascadeSiskiyou_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established (BLM) | 06/09/2000 | W. Clinton | 52,000 |
111. Hanford Reach
Washington
![(NPS Photo) Sunrise lights the mighty Columbia at Hanford Reach](images/HanfordRiver-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 06/09/2000 | W. Clinton | 195,000 |
113.
President Lincoln and
Soldiers' Home
Washington, D.C.
![(NPS Photo) Lincoln's Summer White House on the breezy hillside of the Soldiers' Home](images/LincolnAndSoldiers-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 07/07/2000 | W. Clinton | 2.3 |
115. Carrizo Plain
California
![(NPS Photo) Aerial view of the San Andreas Fault at Carrizo Plain](images/Carrizo-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established (BLM) | 01/17/2001 | W. Clinton | 204,107 |
117. Minidoka Internment
Idaho
![(NPS Photo) Japanese-American volunteers in parade formation at Minidoka](images/Minidoka-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established | 01/17/2001 | W. Clinton | 72.75 |
118. Pompeys Pillar
Montana
![(NPS Photo) Large sandstone butte, famously signed by William Clark of the Corps of Discovery](images/PompeysPillar-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established (BLM) | 01/17/2001 | W. Clinton | 51 |
120. Upper Missouri River Breaks
Montana
![(NPS Photo) Otherworldly formations on the Missouri](images/UpperMissouriRiverBreaks-thmb.jpg)
Action | Date | President/ Congress | Acres Affected |
Established (BLM) | 01/17/2001 | W. Clinton | 377,346 |
122. Governors Island
New York
![(NPS Photo) Governors Island at the foot of Manhattan](images/GovernorsIsland_thumb.jpg)
Action | Date | President/ Congress | Acres Affected |
Authorized | 01/19/2001 | W. Clinton | 20 |
Established | 02/07/2003 |
123. African Burial Ground
New York
![(Photo by B. Little) Stone marker reflects on the difficult past of American ancestors](images/abgmarker1_thumb.jpg)
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Action | Date | President/ Congress | Acres Affected |
Established | 02/27/2006 | G. W. Bush | 0.345 |