en Altadefinizione. Travel with Dave Hatchett, Nick Perata and Shawn Farmer to North America's most exotic and radical terrain. Witness huge cliff jumps at Squaw Valley, California; tight chute boarding in the southern Sierras and World Cup halfpipe action at Breckenridge, Colorado. Experience extreme descents in Alaska's Denali National Park, and the chest-deep powder of Mt. Baker, Washington. Don't miss this 55 minutes of on-the-edge snowboarding.