1,000 campgrounds
Canyonlands National Park
Grand Canyon National Park
Golden Gate National Recreation Area
Yellowstone National Park
Olympic National Park
Cumberland Island National Seashore
North Cascades National Park
Death Valley National Park
Grand Teton National Park
Haleakala National Park
Delaware Water Gap National Recreation Area
Whiskeytown National Recreation Area
Glen Canyon National Recreation Area
Yosemite National Park
Joshua Tree National Park
