I took these pics of the famous plane in 1993 at the Paul E. Garber Preservation, Restoration and Storage Facility, part of the Smithsonian Air and Space Museum.
Here's an article describing it:
http://query.nytimes.com/gst/fullpage.html?res=9F00E5DD1131F93BA15750C0A96F958260&sec=&spon=&pagewanted=print
Well worth seeing if you go to D.C. If you are tech-minded at all, it's even better than the actual museum.