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". ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astronaut theorists believe pyramids could've even been built on Antarctica and been mistaken for naturally-occurring structures in this clip from Season 11, Episode 1, "Pyramids of Antarctica". #AncientAliens ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astrounaut theorists ponder whether the texts found in an ancient Egyptian temple describe a past natural event or a purposeful attack from an other-worldly civilization in this clip from Season 11, Episode 1, ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astronaut theorists believe the Nazis may have established an intricate underground headquarters in the Arctic in this clip from Season 11, Episode 1, "Pyramids of Antarctica". #AncientAliens Subscribe for more from ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Some scientists believe that terraforming the surface of Mars to make it more Earthlike is the best plan for growing food in this clip from Season 11, Episode 2, "Destination Mars". #AncientAliens Subscribe for more from ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astronaut theorists believe that humans on Earth actually originated from Mars and that these "fallen angels" are spoken of in ancient Hebrew texts in this clip from Season 11, Episode 2, "Destination Mars". ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astronaut theorists believe Mars is scattered with the ruins of an ancient civilization and that Rover's images have deliberately been dulled in order to obscure evidence in this clip from Season 11, Episode 2, ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Transhumanists believe our bodies will soon be home to nanomachines so that humans can live much longer, healthier lives in this clip from Season 11, Episode 3, "The Next Humans". #AncientAliens Subscribe for more from Ancient ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Biofabrication, the automated production of tissues and organs, is the future of expanding capabilities of the human body in this clip from Season 11, Episode 3, "The Next Humans".#AncientAliens Subscribe for more from Ancient ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Originally built as early as 4000 years ago, this structure is just one of a larger network in the Salisbury Plain that ancient astronaut theorists believe are more than just ritual sites in this clip from Season 11, Episode ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! As recently as 2015, technology has revealed that there may be additional chambers surrounding King Tut's tomb connecting to the tomb of Queen Nefertiti, which ancient astronaut theorists believe signifies that she was of ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! It's believed by ancient astronaut theorists that the precise construction of Machu Picchu was led not only by Emperor Patchacutec but that it was also aided by aliens in this clip from Season 11, Episode 4, "The New ...