1Yellowstone National Park (Wyoming, Montana, Idaho)
2Yosemite National Park (California)
3Glacier National Park (Montana)
4Zion National Park (Utah)
5Canyonlands National Park (Utah)
6Grand Canyon National Park (Arizona)
7Arches National Park (Utah)
8Rocky Mountain National Park (Colorado)
9Denali National Park (Alaska)
10Grand Teton National Park (Wyoming)
11Death Valley National Park (California)
12Olympic National Park (Washington)
13Crater Lake National Park (Oregon)
14Sequoia National Park (California)
15Bryce Canyon National Park (Utah)
16Gettysburg National Military Park (Pennsylvania)
17Everglades National Park (Florida)
18Great Smoky Mountains National Park (Tennessee and North Carolina)
19Joshua Tree National Park (California)
20Gates of the Arctic National Park and Preserve (Alaska)
21Big Bend National Park (Texas)
22Acadia National Park (Maine)
23Hawaii Volcanoes National Park (Hawaii)
24Black Canyon of the Gunnison National Park (Colorado)
25Little Bighorn Battlefield National Monument (Montana)
26Capitol Reef National Park (Utah)
27Great Basin National Park (Nevada)
28Hot Springs National Park (Arkansas)
29Mount Rainier National Park (Washington)
30Shenandoah National Park (Virginia)
31North Cascades National Park (Washington)
32World War II Valor in the Pacific National Monument (Alaska, California, Hawaii)
33Mount Rushmore National Memorial (South Dakota)
34Theodore Roosevelt National Park (North Dakota)
35Voyageurs National Park (North Dakota)
