Stay up to date on all of HISTORY's latest premieres at http://history.com/schedule Across the ancient world, communities created geoglyphs that directed messages towards the skies. Ancient Astronaut Theorists believe that these designs were actually meant for aliens, in this scene from Season ...

Stay up to date on all of HISTORY's latest premieres at http://history.com/schedule Ancient astronaut theorists suggest a mysterious cosmic egg has been used by aliens to communicate with humans, in this clip from Season 13, "The Desert Codes ". #AncientAliens Subscribe for more from Ancient ...