When you think of natural arches, chances are the southwestern United States comes to mind; and rightly so. The region — and Utah's Arches National Park, in particular — is home to thousands of ...

Kentucky's Red River Gorge is a playground for adventure-seekers.

Two new studies show what can be learned from a short seismic checkup of natural rock arches and how erosion sculpts some arches -- like the iconic Delicate Arch -- into shapes that lend added ...

Standing beneath the magnificent rock formations at Utah's Arches National Park is one of the most awe-inspiring moments you can have in nature. Unfortunately, 1.5 million other people each year think ...

Of all the different natural rock formations on Earth, arguably the most implausible-looking are the natural bridges and archways that form when wind or water erosion carves various pathways through ...

A common line of questions has emerged from visitors to Utah's Arches National Park in the week since an iconic rock arch at Lake Powell known as the "Toilet Bowl" collapsed. Are these arches also at ...

On first glance, the rusty sandstone rock formations of Arches National Park seem impossible. The intricate arches tower above you, perfectly framing patches of blue sky and puffy clouds or distant ...

Two new studies from University of Utah researchers show what can be learned from a short seismic checkup of natural rock arches and how erosion sculpts some arches—like the iconic Delicate Arch—into ...