A coal fire has been burning underground here since 1896.

The home of a formerly enslaved man who went on to become a prospector, entrepreneur, and activist for Black rights.

In a dry, neglected cemetery lies the unassuming grave of a soldier vilified in life but celebrated in death.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

This museum offers an actual time machine back through Colorado's past.

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

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

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

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

Even in death, he's still your huckleberry.

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

See six states, pickled freaks, rocks, and antiques.

In the early 1900s, hundreds of Black Americans found opportunity in this now-abandoned rural community.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

This underfoot portrait is the work of a disgruntled painter inspired by a tragic poem.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

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.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

The burial grounds of a secret society includes fences topped with fake Tesla balls.

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

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

This sidewalk tribute honors Colorado's great culinary creation.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

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