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 Tropical Research Institute became an outdoor laboratory for scientists from U.S. universities and the Smithsonian Institution. By 1940, when BCI was designated the Canal Zone Biological Area (CZBA), more than 300 scientific publications had described the biota of BCI. In the Government Reorganization Act of 1946, BCI became a bureau of the Smithsonian Institution. The Smithsonian Tropical Research Institute (STRI) was created in 1966. With the establishment of STRI, permanent staff scientists were hired and fellowship programs were initiated to support aspiring tropical biologists. The first director after the name change was Martin Humphrey Moynihan. A strong relationship with the Republic of Panama