Stories of sightless fish and ghostly cowboys are only a fraction of the legends surrounding this Kansas sinkhole.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

Home to Hollywood history and a very special salt crystal.

A roadside attraction filled with an astounding array of gloriously wacky vehicles.

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

A mental health hospital dating back more than 139 years, now features a museum.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

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

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.

This spectacular track has run continuously since 1882.

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

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

Abandoned silver mine strewn with wrecked and twisted structures.

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

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.