Ancient Aliens has met with eyewitnesses and traveled to the sites of incredible UFO incidents reported all over the world. Now, Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.
Genres: Documentary , Mystery , Sci-Fi & Fantasy
Keywords: ancient-aliens-theory , megalith , paranormal-investigation , petroglyph , ufo-conspiracy , latest-episodes , watch-full-episodes-online