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

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

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

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

The same security that protects our nukes accidentally protected a gentle herd of antelope.

The remains of an early 1900s dude ranch that operated until the 1970s.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

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

A statue high in a hill that represents how Buffalo Bill got his name.

Roaming bison and a spectacular view at the highest point in Nebraska.

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

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

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

A downtown park built on top of unclaimed graves.

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

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

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.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

When ecosystems collide in the arid Southwest.

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

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

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

This hot dog-shaped diner has moved all around Colorado, never been to New York.