Region
United States
284
Australia
231
North America
206
Africa
179
Great Britain
120
Australie
108
Arctic regions
93
India
90
Africa, East
81
États-Unis
80
Amérique du Nord
74
Brazil
73
Alaska
62
Europe
57
Canada
56
Mexico
49
South America
49
Texas
47
Afrique
46
West (U.S.)
46
England
45
China
44
Arctic Regions
42
New York (State)
40
America
38
South Africa
38
Tanzania
38
Guyana
37
Kenya
37
Antarctica
35
Grande-Bretagne
35
Argentina
32
New Zealand
32
Pennsylvania
31
Polar regions
30
Germany
29
Tropics
27
France
26
California
25
Latin America
25
Galapagos Islands
22
Indonesia
22
West Indies
22
Hawaii
21
Japan
21
Scotland
21
Yellowstone National Park
21
Angleterre
20
Florida
19
Rocky Mountains
19
more ...