American Museum of Natural History  www.amnh.org
Archaeology Channel  www.archaeologychannel.org
Exploratorium www.exploratorium.edu
Franklin Institute Online www.fi.edu
Hands-on Science Center www.cs.cmu.edu/~mwm/sci.htm
Internet Public Library  www.ipl.org
Librarians' Internet Index  www.lii.org
Library of Congress  www.lcweb.loc.gov
Library Spot  www.libraryspot.com
Museum of Broadcast Communications  www.museum.tv
Museum Spot  www.museumspot.com
Museum Stuff  www.museumstuff.com
Museum of Television and Radio  www.mtr.org
National Air and Space Museum  www.nasm.si.edu
National Archives  www.archives.org
National Gallery of Art  www.nga.gov
Smithsonian  www.si.edu
Smithsonian Kids  www.smithsonian.kids.us
US Holocaust Memorial Museum  www.ushmm.org