What on Earth?
Season 3, Episode 17: Hunt for El Dorado
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Strange images from Colombia could lead researchers to a legendary city.
All Episodes - Season 3
Episode 1
Grand Canyon Treasure
Episode 2
Mystery in the Outback
Episode 3
Riddle in the Ruins
Episode 4
Stonehenge of the Holy Land
Episode 5
Did We Find Flight 370?
Episode 6
Gateway to Eden
Episode 7
Dagger of Tutankhamun
Episode 8
Raiders of the Holy Lance
Episode 9
The Swastika Conspiracy
Episode 10
Inside El Chapo's Escape
Episode 11
Ghost of Zorro
Episode 12
Curse of the Sea Monster
Episode 13
Strange Symbols in the Desert
Episode 14
Bloody Secret Of The Lost City
Episode 15
Lost Empire Of The Amazon
Episode 16
Siberian Hell Pit
Episode 17
Hunt for El Dorado
Episode 18
Mystery of the Mummy Desert
Episode 19
Forbidden Cities of the Maya
Episode 20
The Curse of Merlin