The Virgin River flows through the winter stillness of Zion National Park in Utah. Frost clings to the trees and snow covers the ground in this gorgeous scene. The high altitude and the deep shadows in the canyons can keep temperatures low, but for those willing to endure, incredible beauty is the reward. Posted on Tumblr by the US Department of the Interior, 1/25/16.
The Northern Lights and snow in Denali National Park. Tweeted by the US Department of the Interior, 1/28/16.