Gold mining in Glen Canyon reached a zenith from 1883 to 1912; the canyon had been explored by Native Americans and Spanish explorers much earlier.

Arches National Park is like being on a different planet, but there's always a fellow St. Louisan to celebrate with, writes.

To critics, Glen Canyon Dam was one of the U.S.'s biggest environmental mistakes. But it generates electricity for about 5 million people in seven states.

Gregory Natural Bridge is one such wonder. The 137-foot arch of Navajo sandstone spans Fiftymile Canyon and was fully submerged under Lake Powell when the reservoir filled in 1969.

But Lake Powell would still stretch 100 miles into Glen Canyon at dead pool. That’s because there is a significant design flaw in the dam: There is no drain at the bottom.

The Glen Canyon Double Arch, aged 190 million years, collapsed in August due to natural erosion and changing water levels.

Explore Utah's history and nature outside of Salt Lake City, including old Wild West vibes in Heber City and alpine beauty in Midway.

When the geological formation formally named "Double Arch" crumbled at Glen Canyon National Recreation Area, it served as a sad reminder to many that arches are not guaranteed to stand forever.

Geologists say other arches are vulnerable to the same forces that claimed Double Arch in Utah's Glen Canyon.

The famous “Double Arch” geologic feature has towered over Rock Creek Bay in Utah’s Glen Canyon National Recreation Area since dinosaurs roamed the earth.

A natural wonder is no more. The double arch that spanned Lake Powell in Glen Canyon National Recreation Area collapsed.

A natural wonder is no more. The double arch that spanned Lake Powell in Glen Canyon National Recreation Area collapsed.