Maritime art curator, historian, and author James A. Craig presents A Measureless Peril — the story of spies, surrenders at sea, and German U-boats off the shores of Kittery and Portsmouth during World War II. Each ticket includes a scenic boat ride to the station aboard Utopia, followed by 75 minutes on the island with a dynamic presentation in the newly restored Boat Room. Tours sell out quickly — reserve your tickets now through Portsmouth Harbor Cruises.