This census-designated place first settled in 1623 is home to a defensive fortification built at the mouth of what river?
Fort McClary Fort McClary is a former defensive fortification of the United States military located along the southern coast of Maine at Kittery Point. Built at the mouth of the Piscataqua River, it was used primarily throughout the 19th century to protect approaches to the harbor of Portsmouth, New Hampshire, and the U.S. naval shipyard.
Fort Trumbull Fort Trumbull is a fort named for Governor Jonathan Trumbull which was first completed in 1777 near the mouth of the Thames River on Long Island Sound in New London, Connecticut. The present fortification was built between 1839 and 1852. The site lies adjacent to the Coast Guard Station New London and is managed as 16-acre Fort Trumbull State Park by the Connecticut Department of Energy and Environmental Protection.