146K views · 3.2K reactions | Giorgio is joined by a special guest in this look back at #AncientAliens investigations into ancient rock art. Enjoy this preview before a new episode tonight at 9/8c on @HISTORY! | Ancient Aliens | Facebook

63K views · 2K reactions | Considered by many to be the greatest civilization in the history of the Americas, the Maya thrived for more than 2,000 years. | Ancient Aliens: Out of This World Moments | Facebook

15K views · 432 reactions | Ancient symbols, like the cross, carry deeper meanings that point to a cosmic blueprint for our future. If humanity had followed the original vision, we could have established permanent bases on the Moon by the 1980s, unlocking the potential to track and map our solar system. | The Randall Carlson | Facebook