GATES OF THE ARCTIC NATIONAL PARK, ALASKA - JUNE, 2001: A cloud forms a surreal flying-saucer shape over Frigid Crags, a dramatic peak that forms the western column of the Gates of the Arctic, as named by famed naturalist Bob Marshall. The plant in the foreground is Fireweed, one of the most prolific blooming plants in northern Alaska. (Photo by Eric Rorer)