The Sault Ste. Marie International Bridge links the cities of Sault Ste. Marie in Michigan and Ontario, Canada. Here's what ...

Natural Bridge. Natural Bridge in Bryce Canyon looks just like the bridge of a castle. The nice thing about this arch is that ...

The collapse of Double Arch, one of Utah's majestic geologic arches, stunned park visitors and deprived the state of a popular natural landmark forever.But geologists say its demise was inevitable ...

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

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.

The collapse of an iconic rock arch in Utah has raised fears that other notable landmarks will be erased. On Aug. 8, the "Double Arch," also known as the "Toilet Bowl," at Lake Powell in Glen ...

The 2.5-mile, fixed-span crossing, which will replace a 114-year-old swing bridge, is a key component of the $33.7-billion Gateway Program that will double rail capacity between Newark, N.J., and ...

The Double Arch isn't the first arch in recent years to succumb to the forces of time. In 2008, Wall Arch, a natural structure in Arches National Park, dramatically collapsed.

For background, the Signature Bridge is a key element of the massive I-395/SR 836/I-95 Design-Build Project, which also includes a double-decked section of SR 836.

(CSX still trundles across a second keystone arch bridge that is not visible from the KAB Trail.) The double arch, 45-feet high, is a massive structure, even when seen from a few hundred yards away, ...

An iconic geologic feature collapsed recently, the well-known Double Arch in Utah’s Glen Canyon National Recreation Area. Made of 190 million-year-old fine-grain Navajo sandstone, the arch ...