Hirshhorn Museum and Sculpture Garden - Showcases modern and contemporary art and sculpture. National Museum of African Art - Features African art from antiquity to the present. National Postal Museum - Dedicated to the preservation, study and presentation of postal history and philately through stamps and objects. Anacostia Museum and Center for African American History and Culture - Examines American history and culture from an African American perspective. Description of the museum and its current exhibitions, a calendar of events, and online exhibits. National Museum of the American Indian - Dedicated to the preservation, study, and exhibition of the life, languages, literature, history, and arts. Features visitor information, exhibitions, events, collections and educational resources. National Museum of American History - Exhibits about the history of the United States of America. National Museum of Asian Art for the United States - The Sackler Gallery and the Freer Gallery collections include James McNeill Whistler's Peacock Room, works by American masters, art of Ancient Egypt, Ancient Near East and the Islamic world, biblical manuscripts and Asian art. Features online tours, exhibitions, events and educational programs and resources. National Portrait Gallery - Site features virtual exhibitions of the works in the museum's collection. National Museum of American Art - Features the work of American artists. National Museum of Natural History - Features exhibits on geology, biology, and natural history, as well as an IMAX theater. National Zoo - Virtual tours of the zoo's exhibits and information about the zoo itself. National Air & Space Museum - Offers many aviation-related exhibitions, an IMAX theater, and a planetarium. Smithsonian Associates - Sponsors public educational and cultural programs, including lectures, seminars, study tours and performing arts events. Calendar of events, course catalog, online ticketing, membership information and archive of audio and video files of past events.