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

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

Even in death, he's still your huckleberry.

“You better take care of me Lord, if you don't you're gonna have me on your hands.” ― Hunter S. Thompson, Fear and Loathing in Las Vegas.

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

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

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

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

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

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

The clock that sets them all.

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

The largest source of fossilized insects anywhere.

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

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

See six states, pickled freaks, rocks, and antiques.

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

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

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.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

Abandoned silver mine strewn with wrecked and twisted structures.

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