These jaw-dropping rock walls flanking Green Mountain have become the symbol of the city, with many Boulder businesses sporting their image as a logo. Flatirons One through Five are the most ...

On Friday, the city of Boulder takes on its own Groundhog Day tradition with a slightly different twist known as Flatiron Freddy ... Students and staff of Colorado Christian University provided ...

FILE - The Flatirons mountain formation lies dusted white after a night of light snowfall, in Boulder, Colo., on Nov. 17, 2015. (AP Photo/Brennan Linsley) ...

The City of Boulder emphasized the importance of outdoor safety after two people died in separate incidents in the Flatirons. One hiker, a 27-year-old whose identity has not yet been shared ...

If you have extra time, The Flatirons is worthwhile. These jaw-dropping rock walls flanking Green Mountain have become the symbol of the city, with many Boulder businesses sporting their image as ...