After being banned for doping, Olympic medalist race walker Alex Schwazer enlists one of his accusers to help him make a comeback.
Winning the Tour de France in 1997 made Jan Ullrich a star. But soon after, the downfall of road cyc...
This documentary chronicles Lance Armstrong's cycling triumphs, his cancer diagnosis, and the contro...
Eva Lemos lives a stable and seemingly happy life, until Marco, her husband, disappears suddenly aft...
Explore some of the most death-defying accidents caught on film. Survivors and eyewitnesses explain ...
As the Arctic changes faster than ever, a team of polar bear guides prepares for an epic journey; a ...
Nowhere is the full range of nature's force more apparent than during a volcanic eruption. Join us o...