
Washington DC Bus Tours - Air and Space MuseumThe Smithsonian's National Air and Space Museum, with the U.S. Capitol building in the background. This is the most popular museum on the Mall. It has the original Wright Brothers plane, the Spirit of St. Louis, and a full size copy of NASA's Lunar Landing Module. Open: Every day, except Christmas Hours: 10 AM to 5:30 PM Admission: Free Address: 4th St and Independence Ave, SW Washington, DC 20560 Official Web Site:Air and Space Muse...