| Park | Code | Visitors |
|---|---|---|
| Hot Springs National Park | HOSP | 120,000 |
| Yellowstone NP [Wikidata] | YELL | 19,575 |
| Yosemite NP [Wikidata] | YOSE | 13,619 |
| Mount Rainier National Park | MORA | 8,000 |
| Crater Lake NP [Wikidata] | CRLA | 5,000 |
| Wind Cave National Park | WICA | 3,387 |
| Sequoia NP [Wikidata] | SEQU | 2,407 |
| Kings Canyon NP [Wikidata] | KICA | 1,178 |
| Mesa Verde National Park | MEVE | 250 |
| Park Name | Visitors per year |
|---|---|
| Rocky Mountain National Park | 240,966 |
| Hot Springs National Park | 162,850 |
| Yellowstone National Park | 159,554 |
| Muir Woods National Monument | 77,577 |
| Yosemite National Park | 68,906 |
| Grand Canyon National Park | 67,315 |
| Acadia National Park | 66,500 |
| Mount Rainier National Park | 56,491 |
| Wind Cave National Park | 38,000 |
| Sequoia National Park | 31,508 |
| Petrified Forest National Park | 30,390 |
| Glacier National Park | 22,449 |
| Crater Lake National Park | 20,135 |
| Kings Canyon National Park | 19,661 |
| Casa Grande Ruins National Monument | 7,720 |
| Saguaro National Park | 5,000 |
| Scotts Bluff National Monument | 5,000 |
| Tumacácori National Historical Park | 4,300 |
| Zion National Park | 3,692 |
| Capulin Volcano National Monument | 3,200 |
| Mesa Verde National Park | 2,890 |
| Montezuma Castle National Monument | 2,500 |
| El Morro National Monument | 2,000 |
| Lassen Volcanic National Park | 2,000 |
| Colorado National Monument | 1,200 |
| Navajo National Monument | 64 |
| Park Name | Visitors per year |
|---|---|
| Yosemite National Park | 458,566 |
| Yellowstone National Park | 455,802 |
| Mount Rainier National Park | 265,620 |
| Rocky Mountain National Park | 255,874 |
| Grand Canyon National Park | 172,763 |
| Hot Springs National Park | 167,062 |
| Crater Lake National Park | 157,693 |
| Acadia National Park | 154,734 |
| Sequoia National Park | 129,221 |
| Petrified Forest National Park | 105,433 |
| Carlsbad Caverns National Park | 90,104 |
| Hawaiʻi Volcanoes National Park | 89,578 |
| Wind Cave National Park | 88,000 |
| Muir Woods National Monument | 77,311 |
| Glacier National Park | 73,776 |
| Grand Teton National Park | 60,000 |
| Zion National Park | 55,297 |
| Saguaro National Park | 50,000 |
| Scotts Bluff National Monument | 48,500 |
| Kings Canyon National Park | 43,547 |
| Casa Grande Ruins National Monument | 36,656 |
| Bryce Canyon National Park | 35,982 |
| Lassen Volcanic National Park | 31,755 |
| Montezuma Castle National Monument | 19,298 |
| Mesa Verde National Park | 16,656 |
| Capulin Volcano National Monument | 16,500 |
| Tumacácori National Historical Park | 15,603 |
| Devils Tower National Monument | 14,720 |
| Colorado National Monument | 13,000 |
| Aztec Ruins National Monument | 12,906 |
| Pinnacles National Park | 11,862 |
| George Washington Birthplace National Monument | 10,000 |
| Pipe Spring National Monument | 8,765 |
| Craters of the Moon National Monument and Preserve | 7,365 |
| Salinas Pueblo Missions National Monument | 4,812 |
| El Morro National Monument | 3,500 |
| Sitka National Historical Park | 3,000 |
| Chaco Culture National Historical Park | 2,300 |
| Denali National Park and Preserve | 951 |
| Hovenweep National Monument | 800 |
| Wupatki National Monument | 684 |
| Arches National Park | 400 |
| Rainbow Bridge National Monument | 325 |
| Natural Bridges National Monument | 300 |
| Navajo National Monument | 215 |
| # | Park Name | Visitors per year |
|---|---|---|
| 1 | Great Smoky Mountains National Park | 1,721,920 |
| 2 | Lincoln Memorial | 1,538,573 |
| 3 | Lake Mead National Recreation Area | 1,311,820 |
| 4 | Yellowstone National Park | 1,052,874 |
| 5 | Chickamauga and Chattanooga National Military Park | 962,762 |
| 6 | Washington Monument | 959,624 |
| 7 | Shenandoah National Park | 950,807 |
| 8 | Gettysburg National Military Park | 629,832 |
| 9 | Rocky Mountain National Park | 627,847 |
| 10 | Colonial National Historical Park | 526,686 |
| 11 | Fort McHenry National Monument and Historic Shrine | 515,823 |
| 12 | Yosemite National Park | 506,781 |
| 13 | Mount Rainier National Park | 456,637 |
| 14 | Statue of Liberty National Monument | 395,633 |
| 15 | Acadia National Park | 382,084 |
| 16 | Grand Canyon National Park | 371,613 |
| 17 | Arlington House | 361,174 |
| 18 | Hawaiʻi Volcanoes National Park | 287,810 |
| 19 | Sequoia National Park | 282,198 |
| 20 | Crater Lake National Park | 252,482 |
| 21 | Carlsbad Caverns National Park | 236,653 |
| 22 | Castillo de San Marcos National Monument | 235,277 |
| 23 | Morristown National Historical Park | 213,858 |
| 24 | Cabrillo National Monument | 213,355 |
| 25 | Shiloh National Military Park | 203,987 |
