One of the few surviving Panama Canal steam shovels stands outside a tiny Colorado mining museum.

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

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

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

This spectacular track has run continuously since 1882.

A stunning landscape of bunkers that once stored chemical weapons.

The fifth-longest natural arch in the world, and the longest outside China.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

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

A downtown park built on top of unclaimed graves.

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

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

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

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

A house carved into a rock in the 1940s.

When ecosystems collide in the arid Southwest.

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

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

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

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

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

The largest source of fossilized insects anywhere.