Region
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Polar regions
3
Rome (Empire)
3
Rome (Italy)
3
San Diego
3
South Carolina
3
Venus (Planet)
3
Warsaw
3
Washington (State)
3
20th century
2
Africa, Sub-Saharan
2
Amazon River Region
2
Amsterdam (Netherlands)
2
Angel Falls (Venezuela)
2
Baṣrah
2
Birmingham
2
Birmingham (Ala.)
2
Cambodia
2
Catskill Mountains
2
Chile
2
Chine
2
Cincinnati
2
Colorado
2
Confederate States of America
2
Elephant Sanctuary (Tenn.)
2
Estados Unidos
2
Everglades National Park
2
Everglades National Park (Fla.)
2
Galapagos Islands
2
Great Bear Rainforest (B.C.)
2
Greenland
2
Haiti
2
Hiroshima-shi (Japan)
2
Hungary
2
Iowa
2
Iran
2
Islamic Empire
2
Jamaica
2
Korea (North)
2
Liberia
2
London (England)
2
Los Angeles
2
Maine
2
Manhattan (New York, N.Y.)
2
Mauna Loa (Hawaii Island, Hawaii)
2
Meriden
2
Meriden (Conn.)
2
Michigan
2
Mongolia
2
Montana
2
Mount Rushmore National Memorial (S.D.)
2
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