Kids@NationalGeographic.com
This site contains guessing games, cartoons, pen pal clubs, interactive geography adventures, plus tons of fascinating information on all sorts of topics.

National Wildlife Federation
Play games, check out Ranger Rick magazine online, get homework help, and even create your own nature journal.

Sports Illustrated for Kids
Read articles from the magazine, try the readers poll, draft fantasy sports teams, and learn about your favorite players.

Time for Kids
A children's version of the news magazine online.