Mount Shasta in northern California is known as a hotbed of strange events, from Big Foot sightings to UFO encounters to hikers vanishing without a trace. Could the mountain's unique geology and placement on Earth be attracting beings from other worlds... and even other dimensions?
Cahokia
United States · Mississippian
Ancient Aliens suggests extraordinary astronomical and mathematical knowledge in Cahokia's layout. The site is presented as potentially demonstrating extraterrestrial influence on ancient American civilizations.
Hovenweep National Monument
United States · Ancestral Puebloan
Ancient Aliens suggests the tower structures of Hovenweep demonstrate advanced architectural and astronomical knowledge that may have extraterrestrial origins. The precision and alignment of the towers are highlighted as evidence of advanced ancient capabilities.
Mesa Verde
United States · Ancestral Puebloan
Ancient Aliens presents Mesa Verde's cliff dwellings as examples of advanced architectural knowledge. The site's sophisticated construction and astronomical alignments are suggested as potentially indicating extraterrestrial influence.