Shop of curiosities with a dinosaur museum tucked in its basement.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

The subtle science of a master molecular gastronomist.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

An antiquated German apothecary on Chicago's North Side.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Curios, scientific antiques, oddities for sale.

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

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

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

The world's largest sticker ball weighs in at a mighty 231 pounds.

This iconic science fiction house still looks like something from the future.

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

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

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

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

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

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

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

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

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.