The Maurice J. Tobin Memorial Bridge is a cantilever truss bridge that spans more than two miles from Boston to Chelsea over the Mystic River in Massachusetts. The bridge is the largest in New England.

The Maurice J. Tobin Memorial Bridge is a cantilever truss bridge that spans more than two miles from Boston to Chelsea over the Mystic River in Massachusetts. The bridge is the largest in New England.
USS Constitution located in Boston is a wooden-hulled, three-masted heavy frigate of the United States Navy. Named by President George Washington after the Constitution of the United States of America, she is the world’s oldest commissioned naval vessel afloat. The Bunker Hill Monument is in the background.