Off the top!
Regardless of what you think of professional wrestling (I happen to think it's brilliant entertainment when it's at it's best!) you can't deny that the stunt on the third video of this page is incredible:
http://www.wwe.com/shows/raw/videos/
Jeff Hardy vs Umaga... I was going to explain what happens, but frankly it's just better if you watch it. It's shortly after 1:40. :)
EDIT: Old link is out of date. The stunt is now visible here:
http://www.youtube.com/watch?v=B3FUFSDPd3E
http://www.wwe.com/shows/raw/videos/
Jeff Hardy vs Umaga... I was going to explain what happens, but frankly it's just better if you watch it. It's shortly after 1:40. :)
EDIT: Old link is out of date. The stunt is now visible here:
http://www.youtube.com/watch?v=B3FUFSDPd3E