A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

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

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

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

The remains of the dam that unleashed a 15-foot wall of water on Denver.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

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

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

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

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

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

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

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

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

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

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

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

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

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.

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

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.

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