The Mackinaw Bridge Museum, located above Mama Mia's Pizza in Mackinaw City, Michigan, has been a popular free attraction for over 33 years.
Created by J.C. Stilwell, one of the Ironworkers who built the Mackinac Bridge, the museum showcases a collection of items donated by ironworkers from around the country, including diving suits, documents, photographs, and tools used during the construction of the bridge.
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