Ancient Aliens: Top 3 Terrifying Alien Encounters (Season 20) | History

Transcript

Every year, thousands of UFO sightings are reported, and experiencers are often left wondering what they actually saw. But some incidents are so intense and so terrifying that the witnesses are certain that what they encountered is not of this world. On this countdown, we're featuring some of the most frightening contact events we've every examined... Read More