the Lyon Air Museum has a few WW2 military aircraft, one is the "Feeding Frenzy" an A26b Douglas

A train and 3 trucks in addition to 22 bombing missions... I love that.

there is a certain beauty in an engine, and a bit more in a mechanically complex aircraft rotary engine

Northrup's flying wing bomber (the XB-35)

Northrop's Flying Wing Bomber known as the XB-35 in flight in 1946. The XB-35 was an experimental heavy bomber developed for the U.S. Army Air Force during World War II. The project was terminated shortly after the war, due to its technical difficulties. (AP Photo)  via http://www.theatlantic.com/infocus/2011/10/world-war-ii-after-the-war/100180/  thanks Mike!