Legend has it, that this wasn't just a normal lighthouse that sailors used to make it to shore safely, but instead was also used by the military for testing
Cercarial Dermatitis aka swimmers itch is found in shallower water in Lake Michigan. It appears as a skin rash caused by an allergic reaction to certain parasites that infect some birds and mammals.
The USS Silversides is a WWII era gato-submarine docked at the USS Silversides Submarine Museum in Muskegon, Michigan. In addition to daily tours the submarine is available to rent for group overnight encampments.
Michigan is home to 40 active commercial ports which handle 51.7 million tons of cargo annually. Many, like Port Huron, can be viewed in person or via livestream.