These ancient civilizations were built in a very similar pattern. See more in this scene from Season 1, Episode 7, "Aliens Codes and Messages." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from ...

Ancient Astronaut Theorists take a deep dive look at the profound connection between extraterrestrials and the Great Pyramid, see more in this clip from "Aliens and Unexplained Engineering." #AncientAliens Watch all new episodes of Ancient Aliens, Fridays at 8/7c, and next day on The HISTORY ...

Check out all the places seen in this video: https://www.touropia.com/ancient-ruins-of-the-world/ The world is home to a plethora of fascinating ancient ruins, from crumbling cities to temples that have withstood the test of time. Many of these ancient societies were incredibly innovative and ...