Description: The South Yard behind the Smithsonian Institution Building, the Castle, is bordered on the east by the Arts and Industries Building and west by the Freer Gallery of Art. In the late 19th century, it was the site of small buildings for the Smithsonian Astrophysical Observatory, Taxidermy Studio, National Zoological Park, and Aerodrome Studio. After World War I, a Quonset hut
Description: People use postcards to correspond with each other, but the way they have used postcards to communicate has changed over time. The postcards in this gallery show how postcards began as a quick way to send short communications between individuals, but have since evolved to be used for longer communications and for requests between academics. While the typical use for a postcard