• Kathy Schrock's Guide for Educators: American History*
  http://school.discovery.com/schrockguide/history/hista.html 
• Kathy Schrock's Guide for Educators: General History and Social Studies*
  http://school.discovery.com/schrockguide/history/histg.html
• Kathy Schrock's Guide for Educators: Social Studies*
  http://school.discoveryeducation.com/schrockguide/history/histg.html 
• Kathy Schrock's Guide for Educators: World History*
  http://school.discovery.com/schrockguide/history/histw.html
• Google Earth
  http://earth.google.com/
• Library of Congress
  http://www.loc.gov/index.html
• Library of Congress: American Memory
   http://memory.loc.gov/ammem/index.html 
• National Council for the Social Studies
  http://www.socialstudies.org/
• National Geographic: Geography Lessons and Activities
  http://www.nationalgeographic.com/resources/ngo/education/ideas.html
• National Museum of American History
  http://americanhistory.si.edu/ 
• PBS Teachers: Social Studies
  http://www.pbs.org/teachers/socialstudies/
• Smithsonian Education
  http://www.smithsonianeducation.org/ 
• Social Science Resource Page
  http://www.nde.state.ne.us/SS/
• Teachers.net: Geography
  http://teachers.net/cgi-bin/lessons/sort.cgi?searchterm=Geography
• Yahoo Search Directory: Geography
  http://dir.yahoo.com/Science/Geography/ 
• Yahoo Search Directory: History
  http://dir.yahoo.com/Arts/Humanities/History/

Secondary Level

• Altapedia
  http://www.atlapedia.com
• American Memory*
  http://lcweb2.loc.gov/ammem/
• AmericanPresident.org
  http://www.americanpresident.org/
• American RadioWorks - The President Calling http://americanradioworks.publicradio.org/features/prestapes/index.html 
• BBC Ancient History
  http://www.bbc.co.uk/history/ancient/
• Ben’s Guide
  http://bensguide.gpo.gov 
• Best History Sites*
  http://besthistorysites.net
• Electronic Resources for History
  http://ejw.i8.com/histweb.htm
• Eyewitness to History
  http://www.eyewitnesstohistory.com/
• HippoCampus Online Curriculum: High school level*
  http://www.hippocampus.org/ 
• History.com*
  http://www.history.com
• History Detectives . Home PBS
  http://www.pbs.org/opb/historydetectives/
• Info Please
  http://www.infoplease.com/yearbyyear.html 
• Lesson Plans--Historic Jamestown
  http://historicjamestowne.org/learn/lesson_plans.php
• Maps of the World - Map Zone
  http://plasma.nationalgeographic.com/mapmachine/     
• National Council for Social Studies
  http://www.ncss.org
• PBS-Nova Online
  http://www.pbs.org/wgbh/nova/
• Social Studies School Service
  http://socialstudies.com/c/index.html?s@64lzoHq1X4hXM  
• Terraserver
  http://terraserver.homeadvisor.msn.com 
• The OOPS Virtual Field Trip Page
  http://oops.bizland.com/vtours.htm
• The Webquest Page: Social Studies Projects
  http://www.webquest.org
• USHistory.org*
  http://www.ushistory.org/