Two friends got quite the surprise when reviewing their photos from a recent trip to the Rocky Mountains. Jessee Clauson and ...

Mount Sneffels in the San Juan Mountains Extreme mountaineer Hilaree O'Neil climbing in the San Juan Mountains, Mount Sneffels Hilaree climbs and skis the most challenging of mountains in the Rockies.

This story appears in the February 2019 issue of National Geographic magazine. In Rocky Mountain National Park, 415 square miles of mountain terrain are protected—but not from effects of climate ...

Rocky Mountain National Park is home to herds of elk and bighorn sheep, but it also has a population of mountain lions and black bears. Although attacks are very rare, the National Park Service ...