In the Expedition Unknown episode "" (widely listed as Season 6, Episode 5 ), host Josh Gates hunts for the Griffon , often called the "Holy Grail of Great Lakes shipwrecks". The Historical Mystery
: The team utilizes a state-of-the-art two-man submersible to dive to potential wreck sites on the lake floor. [S7E5] Ghost Ship of the Great Lakes
Josh Gates has returned to the Great Lakes for other maritime mysteries, which sometimes causes confusion with episode numbering: In the Expedition Unknown episode "" (widely listed
In the Expedition Unknown episode "" (widely listed as Season 6, Episode 5 ), host Josh Gates hunts for the Griffon , often called the "Holy Grail of Great Lakes shipwrecks". The Historical Mystery
: The team utilizes a state-of-the-art two-man submersible to dive to potential wreck sites on the lake floor.
Josh Gates has returned to the Great Lakes for other maritime mysteries, which sometimes causes confusion with episode numbering: