http://www.si.edu - the official Smithsonian Institution website

http://www.dri.edu - official website of the Desert Research Institute

http://www.childrenofthemanhattanproject.org - website for the         Manhattan Project Heritage Preservation Association, Inc.

http://www.lanl.gov/museum - website for the Bradbury Science    Museum, an archival collection of artifacts dating from the Manhattan    project.

http://www.coldwarmuseum.org - founded in 1996 by Francis Gary    Powers, Jr. and John C. Welch to preserve Cold War history and    honor Cold War Veterans.

http://www.atomicmuseum.com - located in Albuquerque, NM.  The    only U.S. Congressionally-chartered museum of nuclear science and    history.

http://www.nasm.si.edu - the Smithsonian National Air and Space    Museum and the Albert Einstein Planetarium

http://cfa-www.harvard.edu - the Harvard-Smithsonian Center for    Astrophysics.  The Center combines the resources and research    facilities of Harvard College Observatory and the Smithsonian    Astrophysical Observatory

http://www.fnal.gov - Take a virtual tour of the Fermi High Energy    Physics Laboratory.

http://www.bnl.gov/bnlweb/Museum/Science_museum.html - website    for the Brookhaven Laboratory Science Museum

http://www.physics.ucla.edu/~cwp/ - great information about 20th    Century Women in Physics

http://www.mos.org - website for the Boston Science Museum

http://www.msichicago.org - official website for the Museum of    Science and Industry

http://www.exploratorium.edu - official website for the San Francisco    Exploratorium

http://www.acnasci.org - great research information on the website for    the Academy of Natural Sciences

http://www.amse.org - official website of the American Museum of    Science and Industry

http://www.calacademy.org - website for the California Academy of    Science, including the Steinhart Aquarium, the Natural History    Museum and the Morrison Planetarium