Ski and Be Seen
Inside Jamie Pierre's record leap at Grand Targhee
Ski Gear / Poles
Part 4: Clubbing!
Part 5: Straightlining
There's no substitute for the natural world, but engineers are catching up. Ten years ago, an indoor climbing wall turned heads; now developers are mimicking mountains, rivers, and oceans. As urban centers swell, so do the latest man-made achievements.