In May and September, the two most popular months to visit Arches National Park, a last-minute trip is nearly impossible. The ...

Summer’s intense heat is changing the National Park Service’s approach to entry rules at this otherworldly Utah park, opening ...

Delicate Arch, the most widely recognized of Utah’s more than 6,000 natural arches, is seen in Arches National Park near Moab, Sept. 22, 2020. (AP Photo/Hannah Schoenbaum) ...

As recently as two decades ago, parkgoers could be seen walking on top of some arches and hanging on them for photos. A climber even scaled Delicate Arch, the most widely recognized of Utah's more ...

This photo provided by the National Park Service shows the Double Arch, center, after the collapse, Friday, August 9th, 2024, in Rock Creek Bay of the Glen Canyon National Recreation Area, Utah ...

A climber even scaled Delicate Arch, the most widely recognized of Utah’s more than 6,000 arches, leaving rope grooves in the sandstone that Garthwait said can still be seen today.

This photo provided by the National Park Service shows the Double Arch, center, after the collapse, Friday, August 9th, 2024, in Rock Creek Bay of the Glen Canyon National Recreation Area, Utah.

This combination of photos provided by the National Park Service shows the Double Arch intact in Rock Creek Bay at the Glen Canyon National Recreation Area, Utah, left, and after its collapse ...