The National Museum of the U.S. Navy presents the first walking tour of the Washington Navy Yard.  This tour offers a chance to explore the Washington Navy Yard and its 219 year history.   Attendees will visit the original Marine Watch box, hear the true story behind Dahlgren's encased leg, and more.   For more information and to register, email thomas.frezza@navy.mil or call 202-433-4995.