Region
United States
13
Africa
10
Great Britain
8
America
6
Asia
5
Europe
5
England
4
Russia
4
Antarctica
3
Arctic regions
3
Egypt
3
Greece
3
South Africa
3
Africa, East
2
Africa, West
2
Asie
2
Écosse
2
Ireland
2
Kentucky
2
Mexico
2
Nigeria
2
Northeast Passage
2
Ozark Mountains
2
Polynesia
2
Scotland
2
Southern States
2
West (U.S.)
2
Zambia
2
Africa, Sub-Saharan
1
Afrique
1
Altamira Cave (Spain)
1
Angola
1
Argentina
1
Armenia
1
Athens (Greece)
1
Australia
1
Berlin
1
China
1
Cold regions
1
Cornwall
1
Denmark
1
East Indies
1
El Salvador
1
English Channel
1
Europe, Northern
1
Égypte
1
France
1
Germany
1
Ghana
1
Gulf Stream
1
more ...