For some people, it's the hike of a lifetime. It's 5000 feet straight up to an unforgettable view of the legendary Yosemite Valley. For the full travelogue on Yosemite Park's Half Dome Trek, including related videos, interactive map, and useful links, visit WWW.OPENROAD.TV

Ryan and pals head up one of Colorado's famous 14ers, Longs Peak. This is part one of their adventure.