Built in 1862 as a model hospital to treat wounded Union soldiers, the Armory Square Hospital had twelve pavilions, overflow tents, and 1,000 hospital beds. It included officers' quarters as well as a chapel. President Lincoln frequently visited the…

First known as the Old Brick Capitol, this building served as a a temporary meeting place for Congress after the burning of the US Capitol during the War of 1812. At the outbreak of the Civil War, the building became a prison. Confederate soldiers…

The street now known as Independence Avenue was originally called South B Street, following the district's street-naming conventions. In 1934, Congress voted to rename the street Independence Avenue, three years after it had renamed North B Street as…

The street which is now known as Constitution Avenue was originally called North B Street, following the District's street naming system. For much of the 1800s, there was no road, but instead was the site of the City Canal. When the canal was covered…

Built in 1995, the Smithsonian Butterfly Garden supports a variety of plant species which are important to the life cycle of butterflies in the Eastern United States. The 11,000 square foot area was originally built with funds provided by the…

In the years preceding the Civil War, the area bordered by Pennsylvania Ave., 15th, and the "open sewer" of the Washington Canal was a slum characterized by rampant prostitution, muggings, and robberies. The population of this area increased during…

In 1967, Smithsonian Secretary S. Dillon Ripley opened a carousel on the Mall. Built in 1922, the carousel featured music played by a Wurlitzer organ. In the photo, Ripley celebrated its 10th anniversary on the Mall. By 1981, the carousel was too…

The National Air and Space Museum holds the world's largest collection of historic aircraft and spacecraft. A second location in Chantilly, Virginia, opened in 2003 to display even more items from its collection, including the Space Shuttle…

The creation of a memorial to Civil War Union General George Meade was first proposed by the Pennsylvania legislature in 1911. Congress approved the memorial in 1915, but conflicts between the Pennsylvania Meade Memorial Commission and the Washington…

A bear, an eagle, badgers, and buffaloes comprised the original exhibition of the Department of Living Animals on the south side of the Smithsonian Institution Building. Opened to the public in 1887, the Department's live exhibits gave Smithsonian…