The Maya
- Photo Credit: Jim G / Flickr (CC)
Nabta Playa
- Photo Credit: Wikimedia Commons
Çatalhöyük
- Photo Credit: Wikimedia Commons
Thonis, Egypt
- Photo Credit: British Museum
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Derinkuyu
- Photo Credit: Wikimedia Commons
Easter Island
- Photo Credit: Wikimedia Commons
Cahokia
- Photo Credit: Good Free Photos
Foothills Mountain Complex
Mesa Verde Pueblos, part of the larger complex.
Photo Credit: Wikimedia Commons
Angkor
- Photo Credit: Robert Nyman / Flickr (CC)
Roanoke
- Photo Credit: Ken Lund / Flickr (CC)
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