We catch a ride with a female motor crosser who's blazing a trail through history, and the chilling season finale of the Crashed Ice World Series, the fastest sport on skates. In Florida, a gravity defying martial arts event pushes the limits of skill and strength.

We catch a ride with a female motor crosser who's blazing a trail through history, and the chilling season finale of the Crashed Ice World Series, the fastest sport on skates. In Florida, a gravity defying martial arts event pushes the limits of skill and strength.