Region
Arizona
4
New York (State)
3
United States
3
Colorado
2
Florida
2
Oyster Bay
2
Sagamore Hill National Historic Site (Oyster Bay, N.Y.)
2
Utah
2
Virginia
2
Agua Fria National Monument
1
Agua Fria National Monument (Ariz.)
1
Alaska
1
Arches National Park
1
Arches National Park (Utah)
1
Badlands National Park (S.D.)
1
California
1
Capitol Reef National Park
1
Capitol Reef National Park (Utah)
1
Chattahoochee River National Recreation Area
1
Chattahoochee River National Recreation Area (Ga.)
1
Chesapeake and Ohio Canal National Historical Park
1
Death Valley National Park (Calif. and Nev.)
1
Fort Bowie National Historic Site
1
Fort Bowie National Historic Site (Ariz.)
1
Georgia
1
Glacier Bay (Alaska)
1
Glacier Bay National Park and Preserve
1
Glacier Bay National Park and Preserve (Alaska)
1
Glacier National Park
1
Glacier National Park (Mont.)
1
John Day Fossil Beds National Monument
1
John Day Fossil Beds National Monument (Or.)
1
Joshua Tree National Park (Calif.)
1
Mall, The (Washington, D.C.)
1
Merritt Island National Wildlife Refuge
1
Merritt Island National Wildlife Refuge (Fla.)
1
Montana
1
Montezuma National Wildlife Refuge
1
Montezuma National Wildlife Refuge (N.Y.)
1
Oregon
1
Organ Pipe Cactus National Monument
1
Organ Pipe Cactus National Monument (Ariz.)
1
Prince William County (Va.)
1
Prince William Forest Park
1
Prince William Forest Park (Va.)
1
Saint Marks National Wildlife Refuge
1
Saint Marks National Wildlife Refuge (Fla.)
1
Shenandoah National Park
1
Shenandoah National Park (Va.)
1
South Dakota
1
more ...