Region
Earth (Planet)
Moon
8
Sun
4
Mars (Planet)
3
North America
3
Solar system
3
California
2
California, Southern
2
Italy
2
Oregon
2
Outer space
2
United States
2
Venus (Planet)
2
Africa, Southern
1
Alps, Italian
1
Atlantic Ocean
1
Australia
1
Baja California (Peninsula)
1
Battle Mountain
1
East Asia
1
Europe
1
Europe, Central
1
Great Basin
1
Great Britain
1
Greece
1
India
1
Japan
1
Mexico
1
Nevada
1
Oklahoma
1
Pacific Area
1
Pacific Ocean
1
Phlegraean Plain
1
San Francisco Bay Area
1
Texas
1
Universe
1
West (U.S.)
1