Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

Community owned and operated, this property is home to a diverse set of nudists.

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

The largest source of fossilized insects anywhere.

This super steep hike ascends 2,000 feet in less than a mile.

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

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.

A little-known hot spring haven right below the highway.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

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

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."

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

When ecosystems collide in the arid Southwest.

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

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

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

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

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

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