Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.

A Building for Your (Former) Funerary Needs.

Come for the giant taxidermy lion, stay for the knick knacks at this Minneapolis curiosity shop.

The dishes at this restaurant by The Sioux Chef celebrate indigenous heritage.

An architecturally-focused antique shop.

An idle pastime becomes a record holder in Boys Town, Nebraska.

A collection of birdhouses await curious motorists and avian squatters.

An unsolved murder victim's grave which may or may not contain her body.

A monument marks the beginning of the longest north-south road in the United States.

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

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

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

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

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

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

A downtown park built on top of unclaimed graves.

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

The clock that sets them all.

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

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

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

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.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.