A multi-storied adobe complex has been inhabited for more than a thousand years.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A small flooded ghost town with a few scattered structures remaining.

Although it also features red, orange, and variegated cliffs of Navajo Sandstone, this state park is often overshadowed by its more famous neighbor.

A spectacular overlook of the Little Grand Canyon of the San Rafael River, a deep sandstone gorge streaked with orange, red and white in a remote, uncrowded part of Utah.

This Moab institution functions as both a rock store and a small natural history museum.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

Only ruined buildings and abandoned charcoal kilns remain of this once bustling Wild West boom town.

A crack flared at the base provides a pathway completely through a sandstone ridge near Moab.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

The unusual patterns in this rock formation result from two distinct modes of weathering.

It's safe—and permitted—to walk across these twin natural sandstone arches.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

Oddly shaped rock formation, misassociated with a nearby utopian community.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

A ghost town that held steady longer than most, but finally gave up the ghost.