Lincoln Memorial One of the most memorable stops on any Washington tour is this building honoring our 16th President. The memorial is located in West Potomac Park at the foot of 23rd Street, NW, and is open 24 hours a day year round. The memorial to our third President is located on the Tidal Basin. Can be reached via U.S. Route 1 and is open 24 hours a day, year round. The Smithsonian Institution Visit the National Air and Space Museum, the National Museum of African Art, the National Museum of American History, or one of more than a dozen other museums under the umbrella of the Smithsonian.
Group tours are available with advance reservations.
The National Aquarium is located in the Department of Commerce Building at 14th Street and Constitution Avenue. The National Zoo is located at 30001 Connecticut Ave.