National Geographic for Kids http://www.nationalgeographic.com/kids/
A great site for up to the minute encyclopedia, dictionary, almanac and statistical information. http://infoplease.com
Museums of the World http://www.icom.org
Discovery Channel Site http://www.puzzlemaker.com
Book Adventure- A Free reading motivation program for children K-8. Create your own booklists, take multiple choice quizzes on books you have read offline and earn points and prizesfor literary successes. http://www.bookadventure.com
Wonders of the World http://www.hillmanwonders.com