National Air and Space Museum, Washington D.C., May 2012
The Smithsonian Institution is a group of museums (located mainly in Washington DC) that covers areas such as art, natural history, biology, etc.
Smithsonian’s National Air and Space Museum claims to have the largest collection of aircraft in the world. It is located in two facilities, of which the one at Washington/Dulles International Airport is the largest. Frank visited the place (called the Steven Udvar-Hazy Center) in May 2012; some of his pictures are displayed in this gallery.