What on Earth? Season 10 Episode 4
Hidden Fortress of Secrets
Satellites capture a castle-like structure hidden in Scottish woodlands.
10 - 10Lair of the Living GodDec. 19, 2021- 10 - 9Nuclear Ghost TownsDec. 19, 2021
- 10 - 8Legend of Moonshine ForestDec. 12, 2021
- 10 - 7Secrets of the Roman OccultDec. 05, 2021
- 10 - 6Mystery of the Cursed ForestNov. 28, 2021
- 10 - 5Code of the Viking WitchNov. 21, 2021
- 10 - 4Hidden Fortress of SecretsNov. 14, 2021
- 10 - 3Mystery of Apache MountainNov. 07, 2021
- 10 - 2Dark Mysteries of HalloweenOct. 26, 2021
- 10 - 1Australia's Nuclear DesertOct. 24, 2021
