People on the Steps of the Natural History Building, May 1935, Smithsonian Archives - History Div, Men and women seated and standing on the south steps of the Natural History Building, now known as the National Museum of Natural History,as seen from a walking path on the opposite side of Madison Drive, with partial views of two parked cars. Two signs are visible, one is cut off to the left of the frame. The sign facing the viewer reads, 'No Parking / Any Time.'.