Scientists investigate the possibility that alien life-forms influenced human evolution, citing the existence of strange monuments around the world to support their theory.
Genre: Documentary
Stars: Ian Gregory
Crew: Nancy Donnelly (Producer), Nancy Donnelly (Writer), Vicky Matthews (Producer), Eleanor Grant (Executive Producer)
Country: United States of America
Language: English
Studio: National Geographic
Runtime: 45 minutes
Quality: HD
Released: Nov 27, 2006
IMDb: 3
