Click on any park name to reveal information...
| Park Name | Primary Location | Date established as park | Area in km² | Recreation visitors (2021) |
|---|---|---|---|---|
| Acadia | Maine | February 26, 1919 | 198.6 | 4,069,098 |
| American Samoa | American Samoa | October 31, 1988 | 33.4 | 8,495 |
| Arches | Utah | November 12, 1971 | 310.3 | 1,806,865 |
| Badlands | South Dakota | November 10, 1978 | 982.4 | 1,224,226 |
| Big Bend | Texas | June 12, 1944 | 3,242.2 | 581,220 |
| Biscayne | Florida | June 28, 1980 | 700.0 | 705,655 |
| Black Canyon of the Gunnison | Colorado | October 21, 1999 | 124.6 | 308,910 |
| Bryce Canyon | Utah | February 25, 1928 | 145.0 | 2,104,600 |
| Canyonlands | Utah | September 12, 1964 | 1,366.2 | 911,594 |
| Capitol Reef | Utah | December 18, 1971 | 979.0 | 1,405,353 |
| Carlsbad Caverns | New Mexico | May 14, 1930 | 189.3 | 349,244 |
| Channel Islands | California | March 5, 1980 | 1,009.9 | 319,252 |
| Congaree | South Carolina | November 10, 2003 | 108.0 | 215,181 |
| Crater Lake | Oregon | May 22, 1902 | 741.5 | 647,751 |
| Cuyahoga Valley | Ohio | October 11, 2000 | 131.8 | 2,575,275 |
| Death Valley | California | October 31, 1994 | 13,793.3 | 1,146,551 |
| Denali | Alaska | February 26, 1917 | 19,185.8 | 229,521 |
| Dry Tortugas | Florida | October 26, 1992 | 261.8 | 83,817 |
| Everglades | Florida | May 30, 1934 | 6,106.5 | 942,130 |
| Gates of the Arctic | Alaska | December 2, 1980 | 30,448.1 | 7,362 |
| Gateway Arch | Missouri | February 22, 2018 | 0.4 | 1,145,081 |
| Glacier | Montana | May 11, 1910 | 4,100.0 | 3,081,656 |
| Glacier Bay | Alaska | December 2, 1980 | 13,044.6 | 89,768 |
| Grand Canyon | Arizona | February 26, 1919 | 4,862.9 | 4,532,677 |
| Grand Teton | Wyoming | February 26, 1929 | 1,254.7 | 3,885,230 |
| Great Basin | Nevada | October 27, 1986 | 312.3 | 144,875 |
| Great Sand Dunes | Colorado | September 24, 2004 | 434.4 | 602,613 |
| Great Smoky Mountains | North Carolina | June 15, 1934 | 2,114.2 | 14,161,548 |
| Guadalupe Mountains | Texas | September 30, 1972 | 349.5 | 243,291 |
| Haleakalā | Hawaii | July 1, 1961 | 134.6 | 853,181 |
| Hawaiʻi Volcanoes | Hawaii | August 1, 1916 | 1,317.7 | 1,262,747 |
| Hot Springs | Arkansas | March 4, 1921 | 22.5 | 2,162,884 |
| Indiana Dunes | Indiana | February 15, 2019 | 62.1 | 3,177,210 |
| Isle Royale | Michigan | April 3, 1940 | 2,314.0 | 25,844 |
| Joshua Tree | California | October 31, 1994 | 3,217.9 | 3,064,400 |
| Katmai | Alaska | December 2, 1980 | 14,870.3 | 24,764 |
| Kenai Fjords | Alaska | December 2, 1980 | 2,710.0 | 411,782 |
| Kings Canyon | California | March 4, 1940 | 1,869.2 | 562,918 |
| Kobuk Valley | Alaska | December 2, 1980 | 7,084.9 | 11,540 |
| Lake Clark | Alaska | December 2, 1980 | 10,602.0 | 18,278 |
| Lassen Volcanic | California | August 9, 1916 | 431.4 | 359,635 |
| Mammoth Cave | Kentucky | July 1, 1941 | 218.6 | 515,774 |
| Mesa Verde | Colorado | June 29, 1906 | 212.4 | 548,477 |
| Mount Rainier | Washington | March 2, 1899 | 956.6 | 1,670,063 |
| New River Gorge | West Virginia | December 27, 2020 | 28.4 | 1,682,720 |
| North Cascades | Washington | October 2, 1968 | 2,042.8 | 17,855 |
| Olympic | Washington | June 29, 1938 | 3,733.8 | 2,718,925 |
| Petrified Forest | Arizona | December 9, 1962 | 895.9 | 590,334 |
| Pinnacles | California | January 10, 2013 | 108.0 | 348,857 |
| Redwood | California | October 2, 1968 | 562.5 | 435,879 |
| Rocky Mountain | Colorado | January 26, 1915 | 1,075.7 | 4,434,848 |
| Saguaro | Arizona | October 14, 1994 | 375.8 | 1,079,786 |
| Sequoia | California | September 25, 1890 | 1,635.2 | 1,059,548 |
| Shenandoah | Virginia | December 26, 1935 | 810.1 | 1,592,312 |
| Theodore Roosevelt | North Dakota | November 10, 1978 | 285.1 | 796,085 |
| Virgin Islands | U.S. Virgin Islands | August 2, 1956 | 60.9 | 323,999 |
| Voyageurs | Minnesota | April 8, 1975 | 883.1 | 243,042 |
| White Sands | New Mexico | December 20, 2019 | 592.2 | 782,469 |
| Wind Cave | South Dakota | January 9, 1903 | 137.5 | 709,001 |
| Wrangell–St. Elias | Alaska | December 2, 1980 | 33,682.6 | 50,189 |
| Yellowstone | Wyoming | March 1, 1872 | 8,983.2 | 4,860,242 |
| Yosemite | California | October 1, 1890 | 3,082.7 | 3,287,595 |
| Zion | Utah | November 19, 1919 | 595.9 | 5,039,835 |