Two climbers attempt to conquer the unconquered taking on a mountain so outrageously steep it's never been climbed. And it's the return of snowboarding's biggest name, Shaun White, the American making a comeback at one of the biggest events of the year.

Two climbers attempt to conquer the unconquered taking on a mountain so outrageously steep it's never been climbed. And it's the return of snowboarding's biggest name, Shaun White, the American making a comeback at one of the biggest events of the year.