WZZM 13 has a new look at the Great Lakes' most infamous and sought after shipwrecks, Le Griffon, which went missing in 1679, including an old discovery claim that has not been disproven in well over a century. STORY: http://on.wzzm.com/1A1FMYn | 13 On Your Side

The Griffon, a ship built by famed explorer Robert de La Salle, sailed out of Lake Michigan with 12,000 pounds of fur in 1679 and never returned. What happened to the largest ship of it’s time to sail the Great Lakes has since remained a mystery. Joshua Gates investigates tonight at 9p on Expedition Unknown. 📌 | Expedition Unknown