During our 2007 USA Tour we visit the National Air and Space Museum in D.C. City. Also we visit the Steven F. Udvar-Hazy Center at the DC Airport. Its also part of the National Air and Space Museum.
In this two Museum you can spot things like:
SR-71, Space Shuttle, Horten, Arado, V2, U-2C, Gemini 4 capsule, Apollo - Soyuz Test project, Apollo 11 Command Modul!!!, Concorde, Breitling Orbiter 3, Enola Gay, X-1, X-15, B307 Stratoliner, B707 (Dash 80) and many many other things. You will need more than three days to see all that great Aircrafts, Helicopter and Space vehicles.
Here are some Photos from the 14.11.2007
The "Enterprise" test vehicle has never flewn in the space.
F-35
No tripod
Concorde
SR-71
XV-52
B 707 (Dash 80)
N1-M
Horten
B307 Stratoliner
Halicopter