
7
Acadia National Park

2
Arches National Park

1
Black Canyon of the Gunnison National Park

6
Bryce Canyon National Park

1
Canyonlands National Park

7
Death Valley National Park

7
Dry Tortugas National Park

5
Everglades National Park

10
Grand Canyon National Park

5
Great Sands Dunes National Park

11
Mammoth Cave National Park

5
Mesa Verde National Park

1
Mt Rainer National Park

3
Rocky Mountain National Park

1
Shenandoah National Park

1
Yosemite National Park

10
Zion National Park