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

The juke joint where legendary soul artists ate, drank, and made merry.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

The "Seinfeld" diner.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

An abandoned swimming pool decays on the outskirts of Berlin.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

An old department store turned Nazi prison turned artist commune.

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

This shrine to the patron saint of Alaska sits on a small tidal island and was built from the land’s own beach stones.

The ruins of this Alaska gold mine form a gorgeous ghost town.

A whale of a public art display towers atop Juneau's cruise ship dock.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

The beloved home to all publications indie, erotic, and punky.

Beloved bar home to musicians of all eras and reputations.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

The subtle science of a master molecular gastronomist.

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

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

An antiquated German apothecary on Chicago's North Side.

A speakeasy takes on Chicago's drinking culture.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

This church in Pittsburgh is home to the largest collection of religious relics in North America.