DC DUCKS Land & Water Tours begins and ends at Union Station, 50 Massachusetts Ave. N.E. These nonstop 90-minute narrated tours aboard rebuilt World War II amphibious vehicles roll past the memorials and museums along the National Mall and splash down into the Potomac River.
Guided tours are available.
Hours: Tours depart daily on the hour (weather permitting) 10-4, mid-Mar. through Oct. 31. Departure times may vary. Closed the Sun. before Memorial Day, July 4 and during the Marine Corps Marathon. Phone ahead to confirm schedule.