Charlestown Navy Yard in Boston, Massachusetts

Formerly one of the oldest shipbuilding facilities in the United States Navy, the Charlestown Navy Yard (or Boston Navy Yard) in Boston, Massachusetts was decommissioned in 1974. Today the site is part of the Boston National Historical Park administered by the National Park Service, which is home to the 1797 warship USS Constitution and the 1943 destroyer USS Cassin Young.