A long and winding trail through history led to the current iteration of this mountaintop tower.

The largest self-built castle in the U.S., six decades in the making.

Dance on a hand-hewn log floor padded with bouncy boxcar springs at a saloon built in 1883.

A coal fire has been burning underground here since 1896.

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This dynamic entertainment venue brings a much-needed funkiness to the region with its bizarre art, eclectic films screenings, and peculiar performance pieces.

A little-known hot spring haven right below the highway.

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

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

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

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

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Inside this shop, visitors are treated to a unique blend of natural history and art.

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

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

A surprising collection of bronze faces beneath a bridge in Loveland.

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

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

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

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

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

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