Photographs selected by Quentin Nardi Text by Tracy Scott Forson Spanning states and countries, the Rocky Mountain range is among the world’s most diverse. A variety of flora, fauna, climates ...

John Squires and Lucretia Olson, researchers with the USDA Forest Service Rocky Mountain Research Station, worked with ...

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 ...

In the mid-1800s, the U.S. Department of the Interior began the “great surveys” to map the vast, uncharted land of the West, ...