May 2026 – 5 days  Register for 2026 now at [email protected] and we will contact you with confirmed tour details ...

Its natural arches and other geological formations, like the Balanced Rock, are a testament to the park's decades of rich history—everything is worth the trip, wherever travelers come from.

Arch bridges are one of the oldest types of bridges and have great natural strength. Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch ...

Neely, T.G., and Erslev, E.A., in press, The interplay of fold mechanisms and basement weaknesses at the transition between Laramide basement-involved arches, north ...

A large geological feature in southern Utah known as the ''Double Arch,'' the ''Hole in the Roof'' and sometimes the ''Toilet Bowl'' has collapsed, National Park Service officials said Friday.

How about Mother Nature's Fairy Bridge in China, the world's largest natural stone arch? These geological marvels all around the world seem to have captured the hearts of the many adventurers who ...