The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A modern sliver of architecture in Roma.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

A coal fire has been burning underground here since 1896.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

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

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

This iconic science fiction house still looks like something from the future.

A downtown park built on top of unclaimed graves.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

Even in death, he's still your huckleberry.

The largest source of fossilized insects anywhere.

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

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.

Abandoned silver mine strewn with wrecked and twisted structures.

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

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

When ecosystems collide in the arid Southwest.

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

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

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