National Zoo
- Virtual tours of the zoo's exhibits and information about the zoo itself.
- http://nationalzoo.si.edu/

National Museum of American Art
- Features the work of American artists.
- http://americanart.si.edu/

Smithsonian Resident Associate Program
- 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.
- http://www.residentassociates.org/

National Postal Museum
- Dedicated to the preservation, study and presentation of postal history and philately through stamps and objects.
- http://www.postalmuseum.si.edu/

National Museum of African Art
- Features African art from antiquity to the present.
- http://www.nmafa.si.edu/

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.
- http://anacostia.si.edu/

National Air and Space Museum Steven F. Udvar Hazy Center
- Collection of historic aviation and space artifacts includes the Space Shuttle Enterprise, an SR-71 Blackbird, the Dash 80 prototype of the Boeing 707, the Swoose, an F-4 Phantom fighter, the Enola Gay and the de Havilland Chipmunk aerobatic plane. Featur
- http://www.nasm.si.edu/museum/udvarhazy/

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.
- http://www.nmai.si.edu/

Smithsonian Institution
- Reviews written by consumers at Epinions.com.
- http://www.epinions.com/trvl-attract-Smithsonian_Institution_9.html

National Museum of American History
- Exhibits about the history of the United States of America.
- http://americanhistory.si.edu/

Hirshhorn Museum and Sculpture Garden
- Showcases modern and contemporary art and sculpture.
- http://hirshhorn.si.edu/

National Portrait Gallery
- Site features virtual exhibitions of the works in the museum's collection.
- http://www.npg.si.edu/

Arts and Industries Building
- Formerly the National Museum, currently featuring exhibitions and the Discovery Theater.
- http://www.si.edu/ai

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, exhib
- http://www.asia.si.edu/

National Air & Space Museum
- Offers many aviation-related exhibitions, an IMAX theater, and a planetarium.
- http://www.nasm.si.edu/

National Museum of Natural History
- Features exhibits on geology, biology, and natural history, as well as an IMAX theater.
- http://www.mnh.si.edu/