After a long restoration at Mystic Seaport, the USS Constitution – “Old Ironsides” — reopened to the public September 2. The ship is located next to the USS Constitution Museum at the Charlestown Navy Yard in Charlestown, MA. Old Ironsides and will be open for tours Tuesdays through Sundays, 10 a.m.-6 p.m. through November (when she returns to fall and winter hours). Find other inspirational historic sites in Boston to visit. Learn more about the ship and the USS Constitution Museum. Map.