Region
United States
8
Denmark
4
France
2
Paris
2
Arctic regions
1
Berlin (Germany)
1
Christiania (Copenhagen, Denmark)
1
Colorado
1
Copenhagen
1
Cuba
1
Denver (Colo.)
1
England
1
Europe
1
Germany
1
Greenland
1
London
1
Morocco
1
Netherlands
1
Rocky Mountain National Park (Colo.)
1
Soviet Union
1
Sweden
1
Syria
1