The largely unexplored continent of Antarctica has long been subject to rumors of UFOs, underground tunnel networks, and concealed ancient structures, giving rise to speculation about an alien presence beneath its icy surface. Learn more in this clip from Season 2, Episode 6, MYSTERIES BENEATH ...

The Contact team have travelled around the world to talk to witnesses about their UFO encounters, and the footage that they have seen has blown them away. 🇬🇧 Catch full episodes of your favourite Quest shows on discovery+: https://bit.ly/3ADIXuT Subscribe to Quest TV for more great clips: ...