The Top Ten Mysterious Islands

The Top Ten Mysterious Islands

Available on Philo, Prime Video, discovery+, Hulu, HISTORY Vault
S19 E13: Ancient Aliens is counting down the world's top ten mysterious islands, including sites said to be home to giants, remote landmasses that are home to massive megalithic structures, and even islands that disappear into thin air. Could these incredible sites provide evidence of extraterrestrial visitation?