One part antique store, one part curiosities hodge-podge.

The temporary burial site of the man who shot and killed Jesse James.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

Toss a Frisbee through the ruins of this Colorado gold mining town.

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.

Final resting place of a 19th century gold prospector and convicted cannibal.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

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

The wreckage of a World War II bomber is hidden high in the Colorado wilderness.

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

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

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

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

The largest source of fossilized insects anywhere.

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.

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

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.

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.

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.

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

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