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Plunging hundreds of feet below ground, Josh explores Spain's treacherous La Garma cave system and finds a floor littered with human remains more than 1,000 years old; Josh's deep dive is a quest for scientific proof of Spain's legendary King Pelayo.

Stars:
Release Date: 2015-01-08
Seasons: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
TMDb: 7.9/10
  • Country: US
  • Language: English
  • Runtime: 48

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