More than 7,000 years ago, the ancient Sumerians established what is considered the world's first civilization, and they credited their extraordinary achievements to their gods, the Anunnaki. But is it possible that these powerful beings were, in fact, extraterrestrial visitors to Earth?
Cahokia Mounds
United States · Mississippian
Monk's Mound is the largest pre-Columbian structure in North America — built with alien assistance
Lagash
Iraq · Sumerian
Ancient Aliens claims Lagash's technological advances and organized governance system suggest extraterrestrial guidance. The city's rapid rise to power is attributed to alien intervention in Sumerian affairs.
Nippur
Iraq · Sumerian
Ancient Aliens suggests Nippur was a center of alien contact and communication with the Sumerian gods. The site's religious significance and advanced astronomical knowledge are attributed to extraterrestrial influence.
Uruk
Iraq · Sumerian
Ancient Aliens proposes that Uruk's rapid development and advanced urban planning reflect alien assistance in establishing early civilization. The site's architectural sophistication is presented as evidence of non-human intervention.