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What on Earth?
Season 11 · Episode 10
Ancient Rome's El Dorado
0.042mAugust 24, 2022
Satellites capture bizarre markings etched deep in the mountains of Spain.
Episodes
- Episode 1Secret Soviet Spacecraft
- Episode 2Range of Nazi Evil
- Episode 3Doomsday Lair of Greece
- Episode 4Mystery of the Welsh Mine
- Episode 5Riddle of Sardinia Tower
- Episode 6Circles of the High Kings
- Episode 7Russia's Lightning Lab
- Episode 8Poland's Secret Nazi Compound
- Episode 9Holes of Dead Sea Destruction
- Episode 10Ancient Rome's El Dorado