Photography: Rocky Mountaineer Shifting tectonic plates ... the Cordilleran Ice Sheet sculpted the topography that today takes our breath away. Glaciation is also responsible for B.C.’s ...

Average annual temperature increase over the last century in the high-elevation park from climate change Rocky Mountain National Park covers 415 square miles atop the Continental Divide in the Front ...

About 6,000 years ago, the Greater Yellowstone Ecosystem cradled within its mountains ... Famous for its “biscuit board topography,” the plateau is punctuated with scalloped uplands and ...

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 ...