Argus Clearinghouse - Covers all aspects of psychology

OpticsForTeens -A site designed for teens that contains many optical allusions.

Psychology Resources - School psychology resources

Sandlotscience.com - A site that features the world's most mind-boggling optical illusions including games, puzzles, and artwork!

Social Science Research Network - Information about social science in general

Social Studies For Kids - Although this may seem like a little kid's website, it is full of useful facts in World History, US History, Geography, Economics, etc.