Grand Canyon National Park

Grand Canyon National Park in Northern Arizona covers 278 miles (447 km) of the Colorado River and surrounding uplands.

Yellowstone National Park 

On top of a volcanic hot point, Yellowstone National Park is an approximately 3,500 square mile natural recreation area.

Yosemite National Park 

Yosemite National Park is located in the Sierra Nevada Mountains of California.

Zion National Park 

Zion National Park is a wildlife park in southwest Utah known for its towering red cliffs of Zion Canyon.

Arches National Park 

Arches National Park lies north of Moab in the state of Utah. 

Glacier National Park 

Glacier National Park is a 1,583-square-mile wilderness region in the Rocky Mountains of Montana.

Bryce Canyon National Park 

Bryce Canyon National Park, located in southern Utah, is famous for its crimson-colored hoodoos.

Rocky Mountain National Park 

Rocky Mountain National Park, located in northern Colorado, straddles the Continental Divide and protects mountains, forests, and alpine tundra.

Joshua Tree National Park 

Joshua Tree National Park is a large protected area in southern California.

Acadia National Park 

Acadia National Park is a 47,000-acre Atlantic coast recreation area located mostly on Maine's Mount Desert Island.