Subject Region
United States
475
Australia
121
California
98
North America
90
India
82
Mexico
70
Tropics
64
Africa
61
Europe
61
Great Britain
60
Canada
52
China
49
Earth (Planet)
45
Florida
45
Arctic regions
43
West (U.S.)
42
Developing countries
41
Alaska
39
Amazon River Region
39
Brazil
38
Mediterranean Region
37
Latin America
35
Japan
34
New York (State)
33
Southern States
31
England
29
Spain
29
British Columbia
28
Espana
26
Mexico, Gulf of
26
Tanzania
26
Colombia
24
America
23
Peru
23
South Africa
23
Texas
23
Antarctica
22
France
22
Everglades
21
Indonesia
21
New York
20
Southeast Asia
20
Arizona
19
Polar regions
19
Wisconsin
19
Minnesota
18
Russia (Federation)
18
Washington (State)
18
Asia
17
Hawaii
17
more ...