These are the websites that make the internet what is has become--an invaluable part of our lives.  These sites embody the spirit of the internet and the usefulness it has and will continue to provide our society.  "So what do you use the internet for?"   =)
Where The Hell Is Matt?
 
Urban Legend Reference
Redneck Neighbor Site
 
Insanity Test
 
The Last Page Of The Internet
 
Powers of Ten
 
Make Your Own Fireworks Display
 
Moving Squares Challenge
 
Hampster Dance
 
Movie Mistakes
 
Tour de Butt  (looks like the site is gone...what a shame)
 
Urinal.net
The Oracle of Bacon (Seven Degree of Kevin Bacon)
Satellite Image of the Earth at Night (NASA)
 
"Best Of" Images from the Hubble Telescope
 
Watching The Changes (NYC)
 
Google Earth "Strangest Sights"