Region
United States
U.S. states
110
Europe
29
America
18
Middle East
14
Africa
11
North America
11
Lake County (Ind.)
9
West (U.S.)
9
Americas
7
India
7
Latin America
7
Asia, Southeastern
6
China
6
New York (N.Y.)
6
Outer space
6
Asia
4
Cuba
4
Former Soviet republics
4
Japan
4
Mississippi
4
New York
4
New York (State)
4
Oregon National Historic Trail
4
Russia (Federation)
4
Vietnam
4
Chicago (Ill.)
3
Germany
3
Iraq
3
Syria
3
Texas
3
Alabama
2
Antietam (Md.)
2
Canada
2
Detroit (Mich.)
2
Far East
2
France
2
Massachusetts
2
Mexico
2
South Africa
2
Spain
2
Appomattox County (Va.)
1
Atlanta
1
Balikpapan (Indonesia)
1
Berlin (Germany : West)
1
Berlin (Germany)
1
Bikini Atoll
1
Bikini Atoll (Marshall Islands)
1
Boston
1
Boston (Mass.)
1
more ...