The Battleship USS Iowa is docked berth 87 Port of Los Angeles. Open daily for tours from 9 a.m. to 5 p.m. every day except Thanksgiving and Christmas. Self-guided tours let visitors explore seven decks of this massive ship. One of the many highlights of this trip is the huge 16-inch big guns located on the main deck. The shells from these guns weighed as much as 2700 pounds and could travel over 20 miles to a target…