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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