Will It Blend? http://www.willitblend.com

This site is getting really popular. The Blendtec blender people put just about everything in their blenders: golf balls, light bulbs, an iPod.... Go to the "Don't Try This at Home" section. (And the "crowbar" is a bait-and-switch, BTW.)

Also, while I was there, I stumbled upon this short and funny video. It's not what you think it is.

Spikey Ball Game

Be sure to read the directions. Otherwise, you'll probably die on the first level.

Attack of the Sprouts

Smash the Brussel sprouts, or you have to eat them...