Region
Colorado
1,140
Utah
943
California
917
New Mexico
750
Alaska
682
Arizona
674
Montana
670
Wyoming
659
Nevada
597
United States
421
Oregon
414
Washington (State)
365
Texas
361
Idaho
345
Mars (Planet)
298
Kentucky
251
San Juan County
220
New York (State)
193
Pennsylvania
192
Minnesota
187
Massachusetts
169
Missouri
159
Michigan
151
North Carolina
151
Virginia
150
Florida
135
South Dakota
135
Afghanistan
131
Nye County
121
Mississippi
110
Garfield County
109
Maine
109
Arkansas
108
Wisconsin
107
Oklahoma
102
Ohio
96
Tennessee
96
Kansas
93
North Dakota
93
Connecticut
91
South Carolina
86
Lincoln County
84
Louisiana
82
Nebraska
78
New Jersey
78
Antarctica
71
Georgia
70
Puerto Rico
68
Coconino County
67
Jefferson County
67
more ...