Region
Amazon River Region
1
Angkor (Extinct city)
1
Cambodia
1
Carthage (Extinct city)
1
China
1
Civilization, Ancient
1
Europe
1
Great Britain
1
Hawaii
1
Hawaii Island
1
Italy
2
Kilauea Volcano (Hawaii)
1
Mexico
2
Palenque Site (Mexico)
1
Peru
1
Pompeii (Extinct city)
2
Teotihuacán Site (San Juan Teotihuacán, Mexico)
1
Tibet Autonomous Region (China)
1
Troy (Extinct city)
2
Turkey
1
Vesuvius (Italy)
1