Explore a wealth of fossils in one of the most prolific dig sites in North America.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Contains a wealth of information about the first exploration and later use of the Green and Colorado Rivers.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

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

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

The fifth-longest natural arch in the world, and the longest outside China.

A house carved into a rock in the 1940s.

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

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

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

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

When ecosystems collide in the arid Southwest.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

The highest bridge in America was built for an almost unnervingly small amount of money.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

There are eight natural springs around town, each with a slightly different taste.

This super steep hike ascends 2,000 feet in less than a mile.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

This vintage theme park is peak Christmas kitsch—and it's open all summer.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

A once-thriving hotel from the Old West now sits abandoned, under the threat of demolition.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.