This Colorado hiking trail provides a small gold mine of abandoned gold mines.

Unlike most arches, this geological oddity formed in a volcanic dike.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

Abandoned silver mine strewn with wrecked and twisted structures.

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

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

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

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

An oddly specific collection of handmade dolls remembers the women of the White House.

A river runs through this remote valley in a very unexpected way.

Colorado's only true geyser is hidden within the San Juan National Forest.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

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

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

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

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

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

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.