Is it possible for there to be man-made obelisks on the moon? See more in Season 1, Episode 11, "Mission to Outer Space." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and ...

From alleged alien bases to perplexing anomalies, join us as we probe the secrets hidden within the moon's shadowy landscape in this Ancient Aliens compilation. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel ...