Smithsonian American Art Museum Landmark located in Washington, D.C.'s downtown cultural district. It is considered an example of Greek Revival architecture in the United States. It was designed by architects Robert Mills, and Thomas U. Walter. During the 1990s, the Smithsonian Institution worked on restoring the building. The Smithsonian completed another renovation of the building in July 1, 2006. The 2000-2006 renovation restored many of the building’s exceptional architectural features: restoring the porticos modeled after the Parthenon in Athens, a curving double staircase, colonnades, vaulted galleries, large windows, and skylights as long as a city block. During the renovation, the Lunder Conservation Center, the
Smithsonian Institution facilities are located in Arizona, Maryland, Massachusetts, New York City, Pittsburgh, Texas, Virginia, and Panama. More than 200 institutions and museums in 45 states, Puerto Rico, and Panama are Smithsonian Affiliates. The Institution's thirty million annual visitors are admitted without charge. Its annual budget is around $1.2 billion with two-thirds coming from annual federal appropriations. Other funding comes from the Institution's endowment, private and corporate contributions, membership dues, and earned retail, concession, and licensing revenue. Institution publications include "Smithsonian" and "Air & Space" magazines. The British scientist James Smithson (1765–1829) left most of his wealth to his nephew Henry James