Region
United States
2,091
Mexican-American Border Region
956
Mediterranean Region
898
Arctic regions
799
Appalachian Region
550
China
531
Mexico
422
Appalachian Region, Southern
358
Tibet Autonomous Region
318
Andes Region
314
Tibet Autonomous Region (China)
275
Persian Gulf Region
267
Polar regions
251
Great Britain
249
Amazon River Region
232
Atlantic Ocean Region
199
California
191
Texas
184
Europe
178
Great Lakes Region (North America)
163
Alaska
159
Southern States
141
Spain
137
Indian Ocean Region
134
Canada
123
Middle East
115
India
111
Russia (Federation)
104
Greece
102
Chesapeake Bay Region (Md. and Va.)
97
France
97
Peru
94
European Union countries
92
Pennsylvania
92
New York (State)
91
Tennessee
91
Italy
86
Kentucky
86
Arizona
84
America
82
North America
81
Asia
80
Indo-Pacific Region
80
Southeast Asia
78
Virginia
78
Colombia
77
Himalaya Mountains Region
77
Africa
76
Idaho
73
Brazil
71
more ...