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

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

The clock that sets them all.

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

A technicolor place of worship for Elevationists.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Abandoned silver mine strewn with wrecked and twisted structures.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

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

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

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

When ecosystems collide in the arid Southwest.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

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

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

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

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

Two churches shoot bottle rockets at each others' bell towers in an unusual Easter celebration.

An annual festival celebrating Colorado's most famous frozen corpse.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

Central City celebrates its most famous madam by racing beds down Main Street.

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

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