When you buy through links on our articles, Future and its syndication partners may earn a commission. What's left of the rock formation on Lake Powell after the Double Arch collapsed in the Glen ...

The center of this photo, taken on August 9, shows where the Double Arch formation used to be, before it collapsed on August 8. National Park Service The “Double Arch” geologic feature, a popular ...

The Red River Gorge is a unique, scenic, natural area that is designated as a geological area and a national landmark. It's also registered on the National Registry of Historic places. It features ...

Why we love it: It’s a short but heart-pounding climb among Boulder’s Flatirons, which ends at a dramatic rock arch and a perfect rest spot to soak up some of the area’s best views. When to go: This ...