The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

Community bookshelf of 25-foot-tall book spines.

Located in a veterinary school, this macabre exhibit displays the effects of animal diseases.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

Curious cave that stays a cool 56 degrees all year long.

This abandoned prison castle has become an imposing gallery of graffiti art.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

European castle ruins in an American state park are actually the product of death and grief.

Outsider art meets paleontology at this roadside reptile repository.

One of the last active volcanoes on the Eastern seaboard.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

Where infamous mobster and leader of Murder Inc. Albert Anastasia made his home.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

A way to take your secrets to someone else's grave.

The last slot car racing arcade in Brooklyn is keeping the dream of speedy little autos alive.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

A mass grave for victims of one of the city’s worst fires.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.