Interested in Air and Space but already seen the Air and Space Museums? Check out the Goddard Space Flight Center, conveniently located off of Greenbelt Road. The Visitor’s Center is a great place to learn more about NASA’s advances in Earth and planetary science, and it’s fun for all ages! The interactive exhibits are a favorite of kids but visitors of all ages are sure to enjoy the experience. It is open every day except for Monday and tours are free; weekday hours are 10am-3pm and weekend hours are 12pm-4pm.