CIA World Factbook
The World Factbook provides information on the history, people, government, economy, energy, geography, communications, transportation, military, and transnational issues for 267 world entities.
Dictionary by Merriam-Webster
The dictionary by Merriam-Webster is America's most trusted online dictionary for English word definitions, meanings, and pronunciation.
Encyclopedia.com – Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our FREE, online library.
HowStuffWorks explains thousands of topics, ranging from the flu to black holes to conspiracy theories, with video and illustrations so you can learn how everything works.
Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 338 billion archived web pages.
Refdesk is a free and family friendly web site indexing and reviewing quality, credible, and current Internet reference resources.
RootsWeb - the Internet's oldest and largest FREE genealogical community. An award winning genealogical resource with searchable databases, free Web space, mailing lists, message boards, and more.
The do-it-yourself encyclopedia. Be very careful in double-checking information from this. Strong points are its coverage of obscure and up-to-the-minute topics.