Connecticut sites linked to the only trial to ever use demonic possession as a criminal defense.

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

Site of the 1889 murder-suicide of crown prince Rudolf and his lover Mary Vetsera.

This historic Victorian hotel has a scandalous history of affairs and murder.

Where a great scandal unfolded with a famous female revivalist at its center.

The secret skeleton of a murdered nun was discovered in this church basement, but the scandal doesn't end there.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

Palace where the nearly un-killable Rasputin was murdered.

Where serial killer Aileen Wuornos drank her last beer.

A small concrete monument remembers a German cold case involving incest, farm tools, and psychics.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

This glamorous old building is said to have inspired the Tower of Terror.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The final resting place of New Orleans' most famous voodoo priestess.

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

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The sign at the garden gate reads: "These Plants Can Kill."