Ancient Aliens: Origins 2024
Documentary
Revisiting the most compelling mysteries explored over 15 years of “Ancient Aliens”.
Season 01 Episode 05 — Mysterious Underground Worlds
Exploring underground structures; including the Longyou Grottoes in China, believed to be over 15,000 years old, secret tunnels linked to Native American lore of the Ant and Snake People, ancient libraries from a lost civilization; and more.