Boulders and glacier-crushed rock pave the stream bed, marking the way for glacial runoff.
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From Best of 2017
Battle for the Valley
Sun and clouds bsttle for control of the valley in a never-ending conflict that has helped shape the rugged and beautiful landscape.
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The Yukon Range
The mountains in Alaska's Denali National Park make their own weather.
DenaliDenali National ParkAlaskamountainslandscapeweatherstormybest of 2017