A backcountry skier looks over the Black Rapids Glacier valley from a high point on the terminal moraine in winter; Alaska, United States of America PacificStock
Aurora borealis swirls over mountains within Denali National Park on a very cold winter night; Alaska, United States of America PacificStock
Aurora borealis stretches over mountains within Denali National Park on a very cold winter night; Alaska, United States of America PacificStock