Region
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Caprivi (Namibia)
2
Caribbean Area
1
Cascade Range
1
Central America
1
Chesapeake and Ohio Canal (Md. and Washington, D.C.)
1
Chesapeake and Ohio Canal National Historical Park
1
Chicago Metropolitan Area
1
Chile
1
China
4
Chincoteague Island
2
Chincoteague National Wildlife Refuge (Va. and Md.)
2
Coconino National Forest
1
Colombia
3
Colorado
5
Colorado Plateau
2
Columbia River Gorge (Or. and Wash.)
1
Columbia River Gorge National Scenic Area (Or. and Wash.)
1
Congaree National Park
1
Congaree National Park (S.C.)
1
Costa Rica
3
Cousin
1
Death Valley (Calif. and Nev.)
1
Deer Flat National Wildlife Refuge (Idaho and Or.)
3
Dinosaur National Monument (Colo. and Utah)
3
Durham (N.H.)
2
East (U.S.)
2
Echo Park Dam (Colo.)
3
Ecuador
4
England
1
English-speaking countries
1
Europe
4
Everglades
1
Everglades National Park (Fla.)
1
Farmington River (Mass. and Conn.)
1
Florida
3
Florissant Fossil Beds National Monument (Colo.)
1
Florissant Region
1
Fort Davis National Historic Site
1
Fort Davis National Historic Site (Tex.)
1
Fort Larned National Historic Site (Larned, Kan.)
1
Fort Union Trading Post National Historic Site (N.D. and Mont.)
1
France
2
Franconia Notch State Park (N.H.)
2
French-speaking countries
1
Gabon
2
Georgia
2
Germany
9
Ghana
1
Grand Canyon National Park
1
Grand Canyon National Park (Ariz.)
4
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