: An episode focusing on a plane that disappeared over Lake Michigan in 1950.
: On its maiden voyage in September 1679, after offloading La Salle, the ship set sail for Niagara to trade furs and was never seen again. [S7E5] Ghost Ship of the Great Lakes
The Griffon was the first full-sized sailing ship to navigate the upper Great Lakes, built in by the French explorer Robert de La Salle . : An episode focusing on a plane that
: A separate investigation into missing WWI minesweepers in Lake Superior. after offloading La Salle