See Door County Like Never Before! DCMM showcases the area’s rich maritime roots, including the Jim Kress Maritime Lighthouse Tower and tours of the restored tugboat John Purves. Hard-working anglers, ship captains and lighthouse keepers are just some of the personalities you’ll discover in the galleries of the Museum…Where Great Lakes maritime history comes alive! Open 10am-4pm (January-April), 9am-5pm (May-October), 10am-5pm (November-December).