Region
North America
9
North Atlantic Ocean
4
United States
4
Alaska
3
Southwestern States
3
West (U.S.)
3
Appalachian Mountains
2
Arizona
2
Atlantic Ocean
2
Canada
2
Colorado
2
Italy
2
Nevada
2
North Pacific Ocean
2
Northeastern States
2
Oklahoma
2
Pacific Ocean
2
Rocky Mountains Region
2
Southwest, New
2
Tibetan Plateau
2
Utah
2
Wyoming
2
Alps
1
Andes
1
Apennines
1
Apennines (Italy)
1
Appalachian Region
1
Arbuckle Mountains
1
Arctic regions
1
Argentina
1
Atlantic Coast (North America)
1
Barbados
1
Belt Supergroup
1
Brewster County
1
California
1
Canada, Western
1
Caribou County (Idaho)
1
Colorado River Region (Colo.-Mexico)
1
Earth (Planet)
1
Fitzpatrick, Mount, Region
1
Grand Banks of Newfoundland
1
Great Basin
1
Great Lakes (North America)
1
Great Lakes Region (North America)
1
Great Salt Lake
1
Gubbio
1
Humboldt Range
1
Humboldt Range (Nev.)
1
Idaho
1
Japan
1
more ...