In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

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

A collection of over 15,000 zines works to preserve DIY publishing culture.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

The clock that sets them all.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

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.

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

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

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

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

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

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

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

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

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

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."

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

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

This edible park is open to any and all foragers.