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.

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

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

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.

The largest source of fossilized insects anywhere.

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

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

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

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

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

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

Colorado's only true geyser is hidden within the San Juan National Forest.

Abandoned silver mine strewn with wrecked and twisted structures.

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

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

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

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

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

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

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

This spectacular track has run continuously since 1882.

When ecosystems collide in the arid Southwest.

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

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