Originally Posted by
Beltway2A
I'd second the suggestion of the Air & Space center. Don't let the word "annex" fool you, it's where they store much of the good stuff (which is too big to fit at the main museum in DC).
And by "good stuff" we're talking the space shuttle Discovery, the Enola Gay, the Dash 80 707 prototype, an Air France Concorde, and a whole lot more.