What on Earth?
Season 11 Episode 10 - Ancient Rome's El Dorado
6.4 ?
2015
Documentary
Satellites capture bizarre markings etched deep in the mountains of Spain.
Episodes in Season 11
1
Secret Soviet Spacecraft
42 min
2
Range of Nazi Evil
42 min
3
Doomsday Lair of Greece
42 min
4
Mystery of the Welsh Mine
42 min
5
Riddle of Sardinia Tower
42 min
6
Circles of the High Kings
42 min
7
Russia's Lightning Lab
42 min
8
Poland's Secret Nazi Compound
42 min
9
Holes of Dead Sea Destruction
42 min
10
Ancient Rome's El Dorado
42 min
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