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What on Earth?

Hidden Tomb of Genghis Khan

Season 2 Episode 6
A strange structure is found in Mongolia. Is it the lost tomb of Genghis Khan? Bizarre rings in Spain could lead to the lost city of Atlantis. A huge floating island is on a collision course with New Zealand. Just what on earth are they?
  • 44 min
  • TV-PG
  • Premiered 03/01/2016