National Parks by State
| Park | State |
| Glacier Bay National Park | Alaska |
| Grand Canyon National Park (North Rim) | Arizona |
| Grand Canyon National Park (South Rim) | Arizona |
| Petrified Forest National Park | Arizona |
| Saguaro National Park | Arizona |
| Lassen Volcanic National Park | California |
| Redwoods National Park | California |
| Great Sand Dunes National Park | Colorado |
| Haleakala National Park | Hawaii |
| Hawaii Volcanoes National Park | Hawaii |
| Acadia National Park | Maine |
| Great Basin National Park (First of Several) | Nevada |
| Carlsbad Caverns National Park | New Mexico |
| Theodore Roosevelt National Park | North Dakota |
| Cuyahoga National Park | Ohio |
| Crater Lake National Park | Oregon |
| Badlands National Park | South Dakota |
| Wind Caves National Park | South Dakota |
| Bryce Canyon National Park | Utah |
| Capitol Reef National Park | Utah |
| Zion National Park | Utah |
| Mount Rainier National Park | Washington |
| North Cascades National Park | Washington |
| Olympic National Park (First of Several) | Washington |
| Grand Teton National Park (First of Several) | Wyoming |