Washington, D.C. / National Mall

Smithsonian National Air and Space Museum

See the 1903 Wright Flyer, the Apollo 11 Command Module Columbia and Amelia Earhart's Lockheed Vega; admission is always free, but everyone needs a free timed-entry pass (up to nine per booking). Open daily 10 a.m. to 5:30 p.m.; part of the east end is closed for renovation.