Exterior View of Concept Model for New National Air Museum, by United States Public Buildings Administration, c. 1949, Smithsonian Archives - History Div, View of the exterior of a model for a proposed National Air Museum is of a circular building with four columns. The concept was to create a "National Shrine to Aviation" with three galleries: Wright Brothers Memorial, Pioneer Hall of airplanes to display famous firsts in aviation, and Main Exhibit. This design was not selected..