Today we're going to be looking at the most dangerous ski slopes in the United States and what makes them so perilous. Jagged outcrops to steep downgrades will have you holding your breath as we ...

The Montana ski area with the most dangerous trails is probably Big Sky Resort. The amount of triple black diamonds and cliff ...

Narrator: You're looking at the most dangerous racetrack in America ... of the course that makes the historic Pikes Peak Hill Climb so dangerous. The first Pikes Peak Hill Climb was held in ...