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
Conservation and restoration at the Smithsonian Institution effort to conserve species and train future generations of conservationists. Ecological processes are highly complex... life and the world are dynamic and ever-changing—it is only with long-term records that many [biological] trends can be deciphered. The SCBI is the only unit of the Smithsonian Institution exclusively devoted to the study of wildlife conservation. Giant pandas, Asian elephants, white-naped cranes, western lowland gorillas, Sumatran tigers, cheetahs, and North Island brown kiwis. Global Tiger Initiative At the National Museum of Natural History, the Anthropology Conservation Laboratory (ACL) conducts conservation on the National Museum of Natural history's more than 126 million natural science