Episode 1 features the folklore of early Michigan inhabitants. The Wendigo, a cannibalistic spirit known to the Ojibwe and other local tribes, is said to roam the Upper Peninsula looking for its next victim.
Sources
Cascade Vacation Rentals. Hauntings on Isle Royale.
Michael B Clasen. On The Road.
National Park After Dark Podcast - Stranded on Isle Royale
The National Park Service. Your Invitation to a Superior Wilderness.