All of Chicago's wood-paved streets are long gone but two alleys remain.

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

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

The first declared National Monument in the United States.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

The site of the climactic scene from the classic horror film is now a historic landmark.

Home of an evil witch famous within southern folklore.

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

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A bizarre house filled with an astounding array of collections.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A crumbling hospital from the 1850s on Roosevelt Island.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

World's largest collection of serial killer artwork and other macabre exhibits.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

The plague quarantine island home to the alleged "Vampire of Venice."

Charles Dickens was not a fan of the ghastly wall dressings in this 6th century church.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.