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

A museum within a museum, devoted to history's most questionable medical devices.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

An encyclopedic collection of mammal penises.

The astonishing collection of an infamous criminologist.

Anatomical cabinet holds unexpected treasures.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

Venice's "Island of the Mad."

Its buzzing collection honors vibrator history.

This museum promotes informed contraception by documenting its often secret past.

A monument to the art of slicing people open.

The largest and most famous wax anatomical collection anywhere in the world.

This museum is rotten with a century of wax medical deformities.

This rare collection of human deformities displays fetuses with two faces, one eye, and "mermaid" legs.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

A hub of information on tropical diseases and their treatments.

A sobering scientific reminder of the human damage caused by the advent of the nuclear age.

A museum dedicated to the history of psychiatric treatment featuring a gallery of art made by patients.

Forgotten for decades, the first medical school built in Communist China is full of surprises today.

An eerie, little-known Neapolitan museum filled with preserved human remains.

One of the most important yet well-hidden museums dedicated to the history of medicine.

A museum and apothecary garden devoted to the history of frontier medicine.