Fort Michilimackinac State Historic Park

Fort Michilimackinac State Park is a state park in the U.S. state of Michigan. It is located in Mackinaw City along the Straits of Mackinac. The park contains Fort Michilimackinac, which itself is dedicated a National Historic Landmark and Old Mackinac Point Lighthouse as well as the Old Mackinac Point Lighthouse Signal Tower which contains a foghorn.

Source: Wikipedia