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4,300sq miles of Michigan’s Thunder Bay in Lake Huron’s “Shipwreck Alley” area of 100 shipwrecks, was designated as a National Marine Sanctuary and the area offers excellent snorkeling and glass-bottom boat tours. Check it out!
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Thunder Bay National Marine Sanctuary (Alpena, Michigan)!
4,300sq miles of Michigan’s Thunder Bay in Lake Huron’s “Shipwreck Alley” area of 100 shipwrecks, was designated as a National Marine Sanctuary and the area offers excellent snorkeling and glass-bottom boat tours. Check it out!