extreme sports?

GoPro Footage of a Guy Speedflying in Hawaii
I'm not sure who's idea it was to first climb a mountain then jump off the side of it with a parachute and try your best to avoid all the rocks (while at the same time getting as close to them as possible). But that's pretty much what this guy does...
Extreme Sports Video With Tons Of Stunts
The most extreme thing I've ever done is participate in a grits eating contest. The videos of that are not impressive in fact I start looking sad 3 minutes in b/c my stomach hurt so bad. Anyway here are some real life athletes doing incredible stunts on one awesome video.