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 Ocean Portal approximately 94% of all Smithsonian collections. About one-third of NMNH collections and staff focus on the marine realm. NMNH houses the world's largest marine collection, originating from marine research efforts that date back 160 years. In a first for any Smithsonian Institution website, the Smithsonian Ocean Portal is built on a LAMP architecture using the free, open-source software called Drupal. The New York-based web developer Funny Garbage designed and built the Smithsonian Ocean Portal. The Beta version of the website went live in December 2009. Three months later, in March 2010, the National Museum of Natural History launched "What Does