U.S. National Monuments

Geography 107 records updated 2026-07-17

U.S. National Monuments, with site name, size sq miles, state, and founded.

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First 25 of 107 records. Click a column to sort these rows.

ID SiteName SizeSqMiles State Founded
1 (Fort Moultrie)* 0.0083 South Carolina 1960
2 Admiralty Island 1529.4930 Alaska 1978
3 African Burial Ground 0.0005 New York 1992
4 Agate Fossil Beds 4.7779 Nebraska 1965
5 Agua Fria 113.0369 Arizona 2000
6 Alibates Flint Quarries 2.1421 Texas 1965
7 Aniakchak 214.3363 Alaska 1978
8 Aztec Ruins 0.4975 New Mexico 1923
9 Bandelier 52.6195 New Mexico 1916
10 Booker T. Washington 0.3734 Virginia 1956
11 Buck Island Reef 29.7115 U.S. Virgin Islands 1961
12 Cabrillo 0.2499 California 1913
13 California Coastal 0.9484 California 2000
14 Canyon de Chelly 130.9993 Arizona 1931
15 Canyons of the Ancients 286.1375 Colorado 2000
16 Cape Krusenstern 1014.1853 Alaska 1978
17 Capulin Volcano 1.2388 New Mexico 1916
18 Carrizo Plain 385.6416 California 2001
19 Casa Grande Ruins 0.7383 Arizona 1889
20 Cascade-Siskiyou 137.6477 Oregon 2000
21 Castillo de San Marcos 0.0303 Florida 1924
22 Castle Clinton 0.0015 New York 1946
23 Cedar Breaks 9.6165 Utah 1933
24 Charles Young Buffalo Soldiers 0.0932 Ohio 2013
25 Chiricahua 18.7260 Arizona 1924

Notes