What is extreme?

[popeye]

http://www.youtube.com/watch?v=J6v-pAkII10&mode=related&search=

or maybe

Careful with this one:

http://www.youtube.com/watch?v=-8_6qVNHFhA&mode=related&search=

yikes! Yeah can you tell I'm bored.

[bryanleighty]

nothing like a good smack to the sidewalk with the back of the ole' noggin..

clears the sinuses right up and helps you start the day off right.
better than Irish Spring soap.

[bryanleighty]

holy fkn sht .. gotta warn people on that base jump video.. thats disturbing

[popeye]

This one is one anchient extreme but sort of funny actually. Nobody gets hurt.

http://www.youtube.com/watch?v=b4Rsr-IItPM&mode=related&search=

and then the modern version for 2007:

http://www.youtube.com/watch?v=jtohjXF6b5w&mode=related&search=

[Danimal8199]

holy S the base jumping one is fed up

[popeye]

Yep. Here's the full length: http://www.youtube.com/watch?v=VXyMwlwejkI

[t_twotone]

Makes me happy I'm a kiteboarder.

[A-Bomb]

No doubt! I try to take it easy now days when I skateboard. Broken bones, etc. is what pushed me more into the boardsports that involve water instead.

And that Base jump... OUCH! That hurts just to watch. I'm no base jumping expert, but something tells me it's not smart to do that right next to a big wall.

[popeye]

We should go sk8 sometime Adam... been to 688 lately?

[C. Moore]

Some more extreme crap.
http://www.flixxy.com/action-sports-base-jumping.htm
http://www.flixxy.com/kid-rides-zip-line-to-school.htm