What on Earth? Season 11 Episode 5
Riddle of Sardinia Tower
Satellite images capture a triangular castle-like tower located on the Mediterranean island of Sardinia; experts investigate the relics of a declining ancient civilization that may have suffered a celestial catastrophe.
11 - 10Ancient Rome's El DoradoAug. 24, 2022- 11 - 9Holes of Dead Sea DestructionAug. 17, 2022
- 11 - 8Poland's Secret Nazi CompoundAug. 10, 2022
- 11 - 7Russia's Lightning LabAug. 03, 2022
- 11 - 6Circles of the High KingsJul. 27, 2022
- 11 - 5Riddle of Sardinia TowerJul. 20, 2022
- 11 - 4Mystery of the Welsh MineJul. 13, 2022
- 11 - 3Doomsday Lair of GreeceJul. 06, 2022
- 11 - 2Range of Nazi EvilJun. 29, 2022
- 11 - 1Secret Soviet SpacecraftJun. 22, 2022
