An abandoned colonial French prison notorious for its hellish conditions.

The macabre paintings created by famous suicide proponent Jack Kevorkian, or "Dr. Death."

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

The personal library of the founder of modern neurology is open to visitors.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

Quaint, disturbing, and macabre objects are all on display at this intriguing collection of medical instruments from bygone eras.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

Astonishing collection of helmets, scientific instruments, and medical models.

This small collection in the back of a shop is the only oddities museum in Saskatoon.

One of the world's largest collections of pathological specimens.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

This small museum displays a collection of outsider art and scale models of past "treatments" for mental illness.

A self-built mosaic house and sculpture park.

The curious underground history of keeping Paris clean.

A homemade anatomical collection of medical anomalies and accidental catastrophes.

Located in the house where Gustave Flaubert was born, this odd museum has more to do with medical grotesquery than the Western novel.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

The world's largest collection of intentionally useless inventions.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.