The North American craton actually dips near the Rockies rather than forming a sharp vertical step as previously believed.

Along the staggeringly beautiful Trail Ridge Road, you can climb higher and higher into the towering, snow-capped Rocky Mountains, spot glimmering blue lakes high above the treeline, or watch herds of ...

If you are fed up with the summer heat down along the Front Range and the crowds up at Rocky Mountain National Park this time of year, there is a cool solution for both. August is the second-hottest ...

Rocky Mountain National Park camping is beloved for a reason. Shimmering sapphire lakes, winding drives through delicate alpine flora, and jagged 14,000-foot mountains that seem to clutch the stars ...

These mountains may have been named for the harsh winters here. Deep snowdrifts accumulate that melt only briefly during the summer. There is an Arapaho myth that may also explain the name. When they ...

View 15 awe-inspiring images of this range from the Smithsonian Magazine Photo Contest The snow-capped Rockies glow bright white in the snow. Smithsonian Photo Contest Galleries Photographs selected ...

The stretch of Interstate 70 that crosses through the Colorado Rocky Mountains is notorious for steep grades and winter conditions that can lead to spinouts, stalled semitrailers and hours-long jams.

Canadian travel writer, tour guide and Rockies native Patrick Twomey shares his expert tips on how to get the most out of Canada's big mountain country. Part of the Canadian Rockies, the Three Sisters ...