Region
United States
608
Great Britain
18
Colorado
10
Russia (Federation)
10
Antarctica
8
New York (State)
8
Russia
7
Germany
6
New York
6
France
5
Africa
4
California
4
England
4
Arctic regions
3
Canada
3
Dominican Republic
3
India
3
Islamic Empire
3
Japan
3
Massachusetts
3
North Atlantic Ocean
3
Ohio
3
Southern States
3
West (U.S.)
3
Argentina
2
Asia
2
Australia
2
Chicago
2
Colorado River (Colo.-Mexico)
2
Denmark
2
Illinois
2
Indiana
2
Ireland
2
Kentucky
2
Latin America
2
Louisville
2
Mexico
2
Nebraska
2
North America
2
Norway
2
Portugal
2
Puerto Rico
2
Utah
2
Washington (D.C.)
2
Africa, West
1
Africa, Western
1
Alberta
1
Alps
1
Amazon River Region
1
Angola
1
more ...