Museum List with Websites  
Air and Space Museum http://www.nasm.si.edu/
American Art Museum http://americanart.si.edu/index3.cfm
Anacostia Museum and Center for African American History and Culture http://anacostia.si.edu/
Art Museum of the Americas http://www.museum.oas.org/
Corcoran Gallery of Art http://www.corcoran.org/
Daughters of the American Revolution Museum http://www.dar.org/museum/
Dumbarton Oaks http://www.doaks.org/
Explorers Hall http://www.nationalgeographic.com/society/ngo/explorer/
Freer Gallery of Art http://www.asia.si.edu/
The Kreeger Museum http://www.kreegermuseum.com/
Hillwood Museum and Gardens http://www.hillwoodmuseum.org/
Hirshhorn Museum and Sculpture Garden http://hirshhorn.si.edu/
National Academy of Sciences http://www.nas.edu/
National Archives http://www.archives.gov/
National Building Museum http://www.nbm.org/home.html
National Gallery of Art http://www.nga.gov/
National Museum of African Art http://www.nmafa.si.edu/
National Museum of the American Indian http://www.nasm.si.edu/
National Museum of Women in the Arts http://www.nmwa.org/
National Postal Museum http://www.postalmuseum.si.edu/
The Phillips Collection http://www.phillipscollection.org/
Renwick Gallery http://americanart.si.edu/renwick/renwick_about.cfm
Sackler Gallery http://www.asia.si.edu/
Smithsonian Castle http://www.si.edu/visit/infocenter/aboutsib.htm
Smithsonian Institution http://www.si.edu/
United States Holocaust Memorial Museum http://www.ushmm.org/
Washington National Cathedral and Museum http://www.cathedral.org/cathedral/index.shtml