Three daring practitioners combine climbing, flying and skiing into the new hybrid sport of speed riding.
Scoping the Line
Skiers, kayakers, bikers and BASE jumpers explore their sports' different definitions of the perfect line.
Like surfers hunting the perfect wave, professional skiers seek ungroomed, pristine, back-country powder.
Eric's Ski Quest
Freeskiers find a vast, isolated landscape with perfect lines where they can push the envelope of their sport.
The Red Line
Professional skiers Chris Davenport and Stian Hagen talk with the pioneer of extreme skiing, Sylvain Saudan.
Skiing in Haines
Big mountain skiers challenge themselves at the ultimate proving ground for snowboarders and skiers in Alaska.
History of Ski Base
JT Holmes and Shane McConkey share the dream of turning what was once a James Bond movie stunt into a sport.
Kayaking the World
Steve Fisher and his all-star crew search for the best kayaking rapids Iceland and Zambia have to offer.
Three teams demonstrate extremes of mountain biking in British Columbia, New Zealand, Amsterdam and Germany.
MTB the Middle East
Professional mountain bikers take a road trip through the diverse and challenging landscapes of Israel.
The world's best all-around kayaker takes his teammates to Norway and Thailand to find some treacherous water.
When elements align with fresh powder and sunny skies, Bobby Brown and Cody Townsend ski the top of the world.
Progression of Freestyle
The foursome called "The New Canadian Airforce" creatively progresses freestyle skiing to the next level.
Skiers scope out lines in the peaks of the nearly-deserted former mining town of Bralorne, British Columbia.
"Crazy Frenchman" Cedric Gracia mixes free-riding, downhill and four-cross into a new form of mountain biking.
Teacher and Apprentice
Legendary mountain biking mentors pass on their skills to a talented new generation in Brazil and Argentina.
In Norway, BASE jumping enthusiasts climb into wingsuits and learn the art of proximity jumping from the best.
Two crews of experienced mountain bikers scout for new trails in South Dakota, Wyoming and New England, USA.
Ends of the Earth
Elite skiers visit secret Indian slopes in the Himalayas and do some tree-skiing in Japan's endless powder.
Two of the sport's best wakeboarders team up for a road trip to the most spectacular locales in the U.S.