Take a walk through a winter wonderland at Yellowstone National Park. While it looks a light coating of snow at Tangled Creek, the landscape is covered in hoar frost, which forms when water vapor freezes quickly creating delicate, feather-like crystals. Photo by Jacob W. Frank, National Park Service.
Winters can be harsh, though starkly beautiful at Denali National Park and Preserve in Alaska. Temperatures can be well below 0 degrees F by November, and on the winter solstice, Denali receives less than 5 hours of true daylight. Those who venture to the park in winter will find plenty to do – from skiing and winter biking to mushing and snowmobiling. Photo by Katie Thoresen, National Park Service.
Big enough to be overwhelming, still intimate enough to feel the pulse of time, Black Canyon of the Gunnison exposes you to some of the steepest cliffs, oldest rock and craggiest spires in North America. This western Colorado landmark was sculpted by the Gunnison River and the forces of weather over 2 million years. Photo of a snowy and fog-filled canyon by Judd Clark, National Park Service.