Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astronaut theorists believe that the approximately 12,000-year-old Gobekli Tepe monument in modern-day Turkey may have been built by the survivors of a lost society in this clip from Season 12, Episode 16, "Return to ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! An ancient network of underground caves in modern-day Turkey were recently re-evidenced to be 10-to-12,000 years old - versus the originally thought 1500 years old - in this clip from Season 12, Episode 16, "Return to Gobekli ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astronaut theorists believe a stone pillar found at Gobekli Tepe was purposely defaced in order to cover up humans' extraterrestrial origins in this clip from Season 12, Episode 16, "Return to Gobekli Tepe". ...

Tune in to Alien Invasion Week on History starting Monday 9/30 through Friday 10/4 for new Ancient Aliens, plus the premiere of In Search Of, new UFO Specials and More! Investigating how a crystal skull may hold more information than a supercomputer in this digital exclusive from Ancient Aliens. ...

Tune in to Alien Invasion Week on History starting Monday 9/30 through Friday 10/4 for new Ancient Aliens, plus the premiere of In Search Of, new UFO Specials and More! A look at how the Giza pyramids might have once functioned as a power plant in this digital exclusive from Ancient Aliens. ...

Tune in to Alien Invasion Week on History starting Monday 9/30 through Friday 10/4 for new Ancient Aliens, plus the premiere of In Search Of, new UFO Specials and More! Investigate the uniquely precise construction of the megalithic site of Puma Punku in this digital exclusive from Ancient ...

Tune in to Alien Invasion Week on History starting Monday 9/30 through Friday 10/4 for new Ancient Aliens, plus the premiere of In Search Of, new UFO Specials and More! Investigate the possibility that the Incan Emporer Pachacutec and his greatest secrets are buried in a hidden chamber in Machu ...

The search continues with new episodes of In Search Of Fridays at 10/9c! Investigate the mysterious tomb known as KV55 - and how the Egyptians tried to erase its occupant from history in this digital exclusive from Ancient Aliens, Season 12. #AncientAliens Subscribe for more from Ancient Aliens ...

The search continues with new episodes of In Search Of Fridays at 10/9c! Discover how King Tut's dagger was made from meteoric iron, a 'gift from the gods,' in this digital exclusive from Season 12. #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

Stay up to date on all of HISTORY's latest premieres at http://history.com/schedule Researching ancient cultures, archaeologists have found mysterious metals with no clear origin. Ancient astronaut theorists believe these mysterious alloys could be evidence of alien communication with mankind in ...

Stay up to date on all of HISTORY's latest premieres at http://history.com/schedule In 1974, a quiet village in Wales was shaken by an enormous explosion that ancient astronaut theorists believe was the crash of an alien spacecraft "The Mystery of Rudloe Manor". #AncientAliens Subscribe for more ...

Stay up to date on all of HISTORY's latest premieres at http://history.com/schedule The location of Egypt's Great Pyramid goes beyond mathematical precision even by todays standards and ancient astronaut theorists believe this is not a coincidence in this clip from Season 12, "The Alien ...