Here are a collection of my favorite websites:

International Movie Database
J.Po Online (My portfolio!)
The Onion
Monkey Versus Robot
CGFA Virtual Art Museum
E.A Poe Society of Baltimore
Headwize (geeks only please)
Urban Monkey

.:.

These are my favorites from a technical/design standpoint:
Dennis Interacive
Yugop (you need a fast computer for this one!)
Yuco
Gabocorp