Region
United States
96
Washington (D.C.)
7
Montana
4
North Carolina
4
Cape Lookout National Seashore (N.C.)
3
Alaska
2
Chesapeake Bay (Md. and Va.)
2
Europe, German-speaking
2
Japan
2
Virginia
2
Washington (State)
2
Africa
1
Arizona
1
Badlands National Park (S.D.)
1
Benelux countries
1
Bethesda
1
California
1
Cascade Range
1
Champlain Valley
1
Colorado
1
Dinosaur National Monument (Colo. and Utah)
1
Dublin
1
Dublin (Ireland)
1
Earth (Planet)
1
El Mirage
1
Fort Davis National Historic Site
1
Fort Davis National Historic Site (Tex.)
1
Grant-Kohrs Ranch National Historic Site
1
Grant-Kohrs Ranch National Historic Site (Mont.)
1
Greece
1
Hawaiian Islands Humpback Whale National Marine Sanctuary (Hawaii)
1
Ireland
1
Kansas
1
Maggie L. Walker National Historic Site (Va.)
1
Mall, The (Washington, D.C.)
1
Manassas (Va.)
1
Manassas National Battlefield Park (Va.)
1
Maryland
1
Michigan
1
Middle East
1
Moon
1
National Bison Range (Mont.)
1
New Mexico
1
Nondalton
1
Nondalton (Alaska)
1
North Pacific Ocean
1
Outer Banks (N.C.)
1
Outer space
1
Persian Gulf Region
1
Portsmouth (N.C.)
1
more ...