Weeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee!
Daredevil Primož Ravnik rode his bicycle down the nearly vertical wall of a Slovenian dam and captured the nearly 200 feet (60m) plunge on his GoPro camera. The stunt was part of a contest by GoPro and biking website Pinkbike to find the most outrageous stunt, with a top prize of $20,000.
If that's not extreme enough for you, here's a compilation cut of more death defying stunts from Pinkbike: