These jaw-dropping rock walls flanking Green Mountain have become the symbol of the city, with many Boulder businesses ... in the Flatirons from one of the area's hiking trails – recent ...

If you're looking for a hike the whole family can enjoy, aim for the top of Flagstaff Mountain. Rising out of Boulder Mountain ... that teach children about the area's geography and wildlife.

It's just a short drive to Yellowstone National Park, known for the best geysers and other hydrothermal attractions worth seeing. Montana has ... have traveled to the area, which is now present ...