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 ...

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 ...

Hikers in Colorado can now embark on a 292-mile route through stunning Rocky Mountains wilderness ... hiker who's trekked all over the United States. After completing the Appalachian and Pacific ...