7
Rocky Mountain NP
3
Gateway Arch NP
3
Indiana Dunes NP
4
Cuyahoga Valley NP

4
Niagara Falls State Park

8
Acadia NP

8
Washington DC

5
Shenandoah NP

7
New River Gorge NP

7
Mammoth Cave NP

5
Great Smoky Mountains NP

9
Congaree NP

9
Dry Tortugas NP

7
Biscayne NP

9
Everglades NP

9
Hot Springs NP

11
Big Bend NP

4
Guadalupe Mountains NP

6
Carlsbad Caverns NP

12
White Sands NP

12
Saguaro NP

3
Grand Canyon NP

5
Petrified Forest NP

4
Mesa Verde NP

10
Black Canyon NP

6
Canyonlands NP

11
Arches NP

9
Goblin Valley State Park

9
Capitol Reef NP

5
Bryce Canyon NP

7
Zion NP

9
Great Basin NP

13
Olympic NP

13
Mount Rainier NP

15
Glacier NP

17
Yellowstone NP

4
Craters Of The Moon Monument

6
Grand Teton NP

6
Badlands NP

6
Wind Cave NP

7
Mount Rushmore & Crazyhorse

7
Theodore Roosevelt NP

8
Voyageurs NP