If the world was all but flat, if the tallest mountain on the planet had about 30 feet of vertical, there'd be some guy named Brody with a camera strapped to his chest ready to hurl himself down it on ...

Years ago, as running took its toll on his body, Carl Bauer thought of a shift to cycling. Then he thought that might not be challenging enough. "So I had to increase the challenge in some way," he ...