Self-education is the best kind

Fun:
Paris's Rodin Museum - See the master's work.
Internet FAQ Consortium - provides hours of fascinating reading on almost any topic imaginable. A USENET companion.

World:
French Graff-X-Pression TV
Strategic Forecasting - world news

Tech:
Whatis.com - Technology terms broken down.
How to Become a Hacker
GeekTools
BJ's Unix Primer