He said it’s the first fall of a major arch in the park since nearby Landscape Arch partially fell in 1991. Like others in the park, Wall Arch was formed by entrada sandstone that was whittled down ...

Humans have dramatically changed the vibration landscape within the last century, he said, and more arches could soon fall as a result. “This is a really rapid change in the lifespan of an arch ...

In this undated photo released by the National Park Service, Landscape Arch in Arches National Park is shown in southeastern Utah. Utah state geologists and a group of intrepid volunteers say ...

Landscape Arch is ranked #1 out of 14 things to do in Arches National Park. See pictures and our review of Landscape Arch.

In this undated photo released by the National Park Service, Landscape Arch in Arches National Park is shown in southeastern Utah. Utah state geologists and a group of intrepid volunteers say ...

Landscape and Kolob emerged as clearly the longest. But another, Fallen Monarch in Arches National Monument, likely would have exceeded both had it not collapsed several hundred years ago, Willis ...