The Smithsonian Institution's National Air and Space Museum maintains the largest collection of historic air and spacecraft in the world. It is also a vital center for research into the history, science, and technology of aviation and space flight, as well as planetary science and terrestrial geology and geophysics.
You have to alight at the L’Enfant Plaza Station.
1.You are allowed to take pictures inside the Smithsonian National Air and Space Museum, but not with the use of the tripod or the selfie stick.2.The museum provides daily guided tours at stipulated timing, and the tour guides are all volunteers. Every tour will take about 90 minutes and you have to make your reservations through the museum’s official website.