Only a few signs remain of the buried Colorado mining town that supplied the uranium for the first atomic bomb.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

A remote sandstone plateau named for a legendary cattle rustler.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

A riverside tiny house with books and other treasures galore.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

All that remains of this once-booming mining town are the ruins of a saloon.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

It takes a nine-mile hike to reach these hot springs, but weary hikers are rewarded with stunning views and a warm soak.

A unique arch graces the Dolores River Canyon near the Hanging Flume.

Take a dip in the world's largest mineral hot springs pool.

Historic, 19th-century wagon wheel ruts cut into soft volcanic ash.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

This remote Colorado canyon is home to the second-largest collection of natural arches in the world.

A tiny nondenominational church harkens back to the days of the first homesteaders in the region.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

This massive home was constructed by one of the greatest conservationists in Colorado history.

A prehistoric rock shelter that's literally in someone's backyard.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

This now-abandoned outcrop is an important Native American spiritual site, overtaken by European settlers and mining pollution.

This nearly abandoned town was once a thriving mining community until a series of fires.

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.