Old man balancing act
Rodney Mullen, freestyle skateboarding master
As if skydiving wasn't scary enough
Vin Diesel on Helium
Tornado made of pure fire
Car falling into a sink hole
Never Buy a Used Condom
Daredevil Marriage Proposal
Jerry Seinfeld's Stand Up on Letterman
Using science to question the world around you
The Teleporting Kitty
Incorrect way to use a zipline
