Search Guides and Directories

Best Online Reference Sites
http://www.rcls.org/deskref/

Choose the Best Search for Your Information Needs
http://www.noodletools.com/debbie/literacies/information/5locate/adviceengine.html

The Internet Public Library
http://www.ipl.org/div/subject/

Librarians' Internet Index (sites pre-selected by professional librarians)
http://www.lii.org

General Search Engines

Google
http://www.google.com

Yahoo
http://www.yahoo.com

Ask.com (you can narrow or expand your results)
http://www.ask.com

Clusty (clusters search results into categories)
http://www.clusty.com

CNN
http://www.cnn.com

Google News
http://news.google.com

Time
http://www.time.com/time

World News Network
http://http://www.wn.com

CIA World Factbook  (Click Reference Maps)
http://www.cia.gov/library/publications/the-world-factbook/

Map Machine (physical, political
http://plasma.nationalgeographic.com/mapmachine

USGS National Map Viewer
http://nmviewogc.cr.usgs.gov/viewer.htm

Science