Region
United States
53
South Africa
9
Great Britain
8
Europe
7
Africa
6
Egypt
6
China
5
England
5
France
5
Japan
4
Brazil
3
Mexico
3
America
2
Appalachian Region
2
Asia
2
British Columbia
2
Denmark
2
Foreign countries
2
India
2
Ireland
2
Latin America
2
Middle East
2
New York (State)
2
Scotland
2
Soviet Union
2
Turkey
2
Wisconsin
2
Africa, Eastern
1
Africa, Southern
1
Amazonas (Peru)
1
Appalachian Region, Southern
1
Argentina
1
Aspen
1
Australia
1
BRIC countries
1
Balkan Peninsula
1
Beijing
1
Beijing (China)
1
Belarus
1
Bosnia and Herzegovina
1
Bronx County
1
Cambodia
1
Cameroon
1
Canada
1
Central America
1
Colorado
1
Congo (Democratic Republic)
1
Czech Republic
1
Developed countries
1
Dolní Věstonice Site
1
more ...