18—Several long-distance through hikes navigate across high-country ridges and into lush meadows in the U.S. The ... across five states — New Mexico, Colorado, Wyoming, Idaho and Montana ...

At 14,060 feet, Mount Bierstadt (above) is one of the easiest to ascend, with a wide trail that winds its way through swamps, high-mountain meadows ... Once upon a time, Colorado was mired in ...