Young woman practicing yoga on a rock is silhouetted against distant cliffs, Zion, Utah, USA
The winter sun rises over the Snake River and Teton Range, Grand Teton National Park, Wyoming, USA
Sea otters (Enhydra lutris) in kelp, Glacier Bay National Park and Preserve, Homer, Alaska, USA
First ice on Dream Lake in Rocky Mountain National Park, Estes Park, Colorado, USA
Hoodoos in winter, Bryce Canyon National Park, Utah, USA
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