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Expedition Unknown
Season 7 · Episode 6
Ghost Ship of the Great Lakes
6.041mMay 8, 2019
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."