Ancient Aliens

Ancient Aliens is counting down ten of history's most astonishing discoveries--breakthroughs that challenge traditional beliefs about human history.

Ancient Aliens is counting down the world's top ten most mysterious monoliths. Could these extraordinary standing stones provide evidence of extraterrestrial visitation?

Ancient Aliens is counting down ten of the most compelling UFO crashes that have been reported across the globe.

Ancient Aliens is counting down ten of the most astonishing - and unexplainable - technologies in history.

Ancient Aliens is counting down ten of history's most compelling - and covert - projects that study the UFO phenomenon.

Ancient Aliens is counting down ten mysterious mountains that are notorious for otherworldly phenomena.

The Aztecs built one of the world's most powerful and feared empires, and they claimed that they were guided by a pantheon of more than a thousand gods who came to Earth from different parts of the universe.

Across the globe, reports of mysterious glowing orbs are on the rise. Do they represent a non-human intelligence?

Dr. J. Allen Hynek is best known as the notorious government UFO debunker who became one of the founding fathers of ufology. Was Dr. Hynek right when he ultimately concluded that there is a non-human intelligence on Earth?

Volcanoes are Mother Nature's most fearsome and volatile creation. They have inspired countless myths and legends, but curiously, they are also major hotspots for UFO sightings.