One of the most popular things visitors like to do in Arches National Park in Utah is to go rock climbing. However, there is one major rule you need to follow.

The Coconino Sandstone layer was deposited not by ... Digging into the rock reveals that its color is actually bluish-gray. The limestone contains the fossilized remains of fish, mollusks ...

Red Cliffs rocks the sweet spot between Zion’s crowds and empty desert. This stretch of crimson cliffs and secret pools near ...