There is a stone platform underneath ancient Greek and Roman ruins that ancient astronaut theorists believe was used as a platform to launch extraterrestrial aircraft in this clip from Season 8, "Mysterious Structures". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY ...

The search continues with new episodes of In Search Of Fridays at 10/9c! Could the mythical horns that brought down the walls of Jericho actually have been alien technology? Ancient Astronaut Theorists say "yes" in this clip from Season 8, "Mysterious Devices". #AncientAliens Subscribe for more ...