View from the highest walkwayThe National Air and Space Museum Dulles Annex
Here is some more pics of the superb exhibits at the new NASM at Dulles Airport near Washington, DC.
View from the highest walkway
4 rows, 9 banks, 36 cylinder radial aircraft
engine 
Small cruise missile turbojet in front of the most complicated reciprocating engine ever made.
This is probably the first triple
Grumman F6F Hellcat
Northrop N1M
The only surviving flying wing until the B-2.
Bell XV-15 Tiltwing
Junkers JU52 Trimotor
Boeing FB-5 Hawk
F4U Corsair and N3N 