See Washington DC on the land and water with this most unusual tour. Traveling in original WW II DUKW amphibious vehicles, this 90 minute tour will take you through the city of Washington DC before splashing down into the Potomac River for the most unique ride and tour of your vacation! This isn't just a tour... it's an experience. Sit back and relax as our tour captains turn back the pages of history. Seeing Washington DC is one thing. Viewing it from the Potomac River is quite another. DC Ducks is Washington DC 's only thrill ride! The DC Ducks return to land at Ronald Regan Washington National Airport under the approach pattern. Hold your ears as incoming aircraft pass over just feet from where you're sitting... giving new meaning to sitting duck! The fun and adventure continues as your captain navigates his way back to Union Station. Our Ducks are fully restored, U.S. Coast Guard approved vessels. We guarantee a safe and fun time that will delight every member of your party.