This observatory was established in March 1890 and was one of the first to practice astrophysics. It was housed in buildings in the South Yard of the Smithsonian Institution Building's grounds. Early research conducted on the site focused on solar…

The original Bureau of Engraving and Printing was opened on July 1, 1880, but by the 1930s, the facility had become too small for all of the Bureau's responsibilities, which included printing money, stamps, and government security documents. In 1938,…

The original building which housed the Department of Agriculture was designed in 1867 by Adolf Cluss, the same architect who designed the Smithsonian Arts and Industry Building. For decades, this building housed offices, research laboratories, and…

The first teahouse in Hains Point, the southernmost tip of East Potomac Park, was a refreshment stand opened in 1920 and run by local Girl Scouts. It was very popular, and in 1922 construction began on a permanent structure with restrooms, which…

The grounds surrounding the National Museum of the American Indian are an extension of the exhibit space within. Representing what local Chesapeake Bay landscapes would have been like before European contact, the space pays tribute to indigenous…

Also known as the Tulip Library, the Floral Library was established in 1969 as part of Lady Bird Johnson's Capital Beautification Project. The 'library' has 93 flower beds maintained by the National Park Service. These beds feature either tulips or…

The Enid Haupt Garden was created in the 1980s as part of a redesign of the area around the Smithsonian Castle. It sits to the south of the Castle and above the underground galleries and offices of the National Museum of African Art, Arthur M.…

The Tidal Basin serves several purposes on the National Mall. Primarily, it is a reservoir for the Potomac River and Washington Channel. In the past, it has also served as a recreational area for swimming, ice skating, or boating. Built by Alexander…

Plans for a National Sculpture Garden on the Mall began in the 1960s, but it was not until 1991 that jurisdiction for the site was transferred from the National Park Service to the National Gallery. Olin Partnership, headed by Laurie D. Olin,…

In the 1920s, art collector and financier Andrew Mellon decided that the city needed a proper museum of art to rival those in Europe. With construction funds, a sizable endowment, and art all donated from Mellon, construction on the National Gallery…