This is probably one of the most popular of the Washington, D.C. museums, because face it, who hasn't had dreams of becoming a pilot or astronaut? The museum contains authentic planes from American history, such as Lindbergh’s Spirit of St. Louis. Here you will also find an assortment of rockets, missiles, and space vehicles. Museum admission is free, but if you want to, you have to BUY a ticket to see the IMAX theater movie.
Address: 7th and Independence Ave, SW
Directions: Metro Stops: Smithsonian abd L'Enfant Plaza