SEARCH ENGINES
Search engines are online tools that find Web pages containing words or phrases that you specify—put phrases in quotes, such as "global warming." The last three below are "metasearch engines" that use multiple search tools simultaneously.

• Alltheweb, www.alltheweb.com
• AltaVista, www.altavista.com
• Ask Jeeves, www.aj.com
• Excite, www.excite.com
• Google, www.google.com
• Lycos, www.lycos.com
• SearchEdu, www.searchedu.com
• SearchEngines.com, www.searchengines.com
• WebCrawler, www.webcrawler.com
• Dogpile, www.dogpile.com
• MetaCrawler, www.metacrawler.com

LIBRARIES AND MUSEUMS
The following sites will link you to libraries, museums and interactive exhibits throughout the world.

• American Memory Historical Collections, memory.loc.gov
• American Museum of Natural History, www.amnh.org
• Ellis Island/American Family Immigration Center, www.ellisisland.org
• The Exploratorium www.exploratorium.edu
• The Franklin Institute Online, www.fi.edu
• Hands-on Science Centers Worldwide, www.cs.cmu.edu/~mwm/sci.html
• The Internet Public Library, www.ipl.org
• The Library of Congress, lcweb.loc.gov
• MuseumNetwork.com,www.museumnetwork.com
• National Air and Space Museum, www.nasm.edu
• National Archives and Records Administration, www.nara.gov
• Smithsonian Institution, www.si.edu
• United States Holocaust Memorial Museum, www.ushmm.org
• WebMuseum Network, metalab.unc.edu/wm/net