Humanities and Social Sciences
All Ages
- American Museum of Natural History
- Crash Course World History
- Feeciv
- Free Simulation Game: The Colonization of America
- Free Printable Blank Maps
- Games for Change – Real World Games – Real World Impact
- The Gilder Lehrman Institute of American History
- Globe Genie
- Google Cultural Institute
- HistoryCentral
- History Channel
- Hippocampus
- InfoPlease
- The Internet Archive
- Kid Citizen
- Kids Voting USA
- Library of Congress
- MyHistro
- National Constitution Center
- Newsela
- On This Day
- Seterra - Learn Geography
- Smithsonian's History Explorer
- Spartacus Educational
- Stanford's Reading Like a Historian
- Timeline
- Time Maps
- World Digital Library
- The World Factbook
- World Geogeraphy Games
- World History Matters
- Worldmapper
Elementary
Middle School
High School and Up