The 962-square-mile Shipwreck Coast sanctuary is the country’s fifteenth and Lake Michigan’s first. The sanctuary has 36 known shipwrecks (21 of them are listed on the National Register of ...

The L.M. Mason and the Cornelia B. Windiate are two of the nearly 100 known shipwrecks that comprise the Thunder Bay sanctuary, a 4,300-square-mile underwater park in Lake Huron, off the northeast ...