The Museum’s exhibits highlight the richness of Philadelphia’s maritime history while simultaneously exploring the region’s waterways and the impact they have on our lives, both culturally and environmentally. Cruiser Olympia brought the American Unknown Soldier from World War I back to the United States nearly 100 years ago. Learn about the selection process, the difficult journey home, and how Olympia, her crew, and the remains were almost lost at sea. The Philadelphia Ship Model Society is a club that started in 1933 and has called ISM home for over ten years. Stop by during your trip to explore the intricacies of ship and boat construction as well as model making.  Learn about the Museum’s boat shop! Make sure to stop by during your visit to see staffers hard at work on various projects and demonstrating a traditional maritime skill.