For millions of years, a natural stone arch stretched over a part of Rock Creek Bay in Glen Canyon National Recreation Area ...

“Double Arch” — also nicknamed the “Crescent Pool”, “Hole in the Roof” and, less poetically, the “Toilet Bowl” — was a ...

Aerial image of Glen Canyon Dam, a concrete arch on the Colorado River. Water levels are at their lowest since the 710-foot-high dam filled to capacity in the early 1980s. Pete McBride The water ...

Double Arch, at 112 feet, is the tallest arch in the park. At 144 feet in length, it's also the second-longest arch in the park. Luckily, this natural wonder is easy to reach. The half-mile trail ...