Beaufort Sea, Yukon Territory, Canada, 1999Photograph by Michael MelfordSunset over the Beaufort Sea plunges Canada's Yukon Territory into a crimson haze. More than 313,000 tourists make summer pilgrimages to the territory, one of North America's last great wildernesses. Today tourism booms there, drawing adventurers to the frontier's glaciated peaks, untouched wilderness, and abundant wildflowers and wildlife.