Region
United States
2,075
Mexican-American Border Region
946
Mediterranean Region
871
Arctic regions
786
Appalachian Region
546
China
530
Mexico
416
Appalachian Region, Southern
353
Tibet Autonomous Region
318
Andes Region
312
Tibet Autonomous Region (China)
273
Persian Gulf Region
266
Great Britain
244
Polar regions
241
Amazon River Region
231
Atlantic Ocean Region
198
California
190
Texas
181
Europe
171
Great Lakes Region (North America)
160
Alaska
159
Southern States
140
Spain
134
Indian Ocean Region
133
Canada
122
India
111
Middle East
111
Russia (Federation)
103
Greece
102
France
96
Chesapeake Bay Region (Md. and Va.)
95
Peru
92
Pennsylvania
91
European Union countries
90
Tennessee
90
New York (State)
89
Italy
86
Kentucky
86
Arizona
84
America
82
North America
81
Indo-Pacific Region
78
Asia
77
Southeast Asia
77
Virginia
77
Himalaya Mountains Region
75
Colombia
73
Idaho
73
Africa
72
Brazil
70
more ...