Hirshhorn Museum and Sculpture Garden Smithsonian Institution. Hirshhorn Museum and Sculpture Garden The Hirshhorn Museum and Sculpture Garden is an art museum beside the National Mall, in Washington, D.C., the United States. The museum was initially endowed during the 1960s with the permanent art collection of Joseph H. Hirshhorn. It was designed by architect Gordon Bunshaft and is part of the Smithsonian Institution. It was conceived as the United States' museum of contemporary and modern art and currently focuses its collection-building and exhibition-planning mainly on the post–World War II period, with particular emphasis on art made during the last 50 years. The Hirshhorn is sited
Smithsonian Institution same year, the Smithsonian signed an agreement to take over the Cooper Union Museum for the Arts of Decoration (now the Cooper Hewitt, Smithsonian Design Museum). The National Portrait Gallery and the Smithsonian American Art Museum opened in the Old Patent Office Building (built in 1867) on October 7, 1968. The reuse of an older building continued with the opening of the Renwick Gallery in 1972 in the 1874 Renwick-designed art gallery originally built by local philanthropist William Wilson Corcoran to house the Corcoran Gallery of Art. The first new museum building to open since the National Museum of Natural