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Watch Expedition Unknown Season 7 Episode 6 Online

  • 7.896/10
  • COUNTRIES: United States of America
  • Subtitles: English

Josh Gates tackles an enduring maritime mystery, the first ship to be lost in the Great Lakes, the Griffon. Using a state of the art two-man submersible, Josh dives in to find a ship so elusive it's known as "The Holy Grail of Shipwrecks."