Nicholi Rogatkin

Mullet, no visor, fired up and spinning like a top. Nicholi Rogatkin is a rider like no other. His fearless approach and innovative tricks have redefined what is possible in mountain biking. Nicholi has been competing for over 20 years, and he's still on the rise. He's the ultimate hype man and a valuable energy source at slopestyle mountain biking events.

Explore some of the most death-defying accidents caught on film. Survivors and eyewitnesses explain what went wrong and a panel of experts dissect the scientific principle behind these