White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Atlapedia Online - maps, facts, and statistics on countries of the world http://www.atlapedia.com
Factmonster - world and news http://www.factmonster.com
Funbrain educational games http://www.funbrain.com