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

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

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

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

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

An extraordinary collection of 18th century anatomical waxworks.

A collection of collections, including an anatomy museum, the “Cabinet of Physics of Alessandro Volta, a museum of natural history, mineral collection, and much much more...

Nicknamed the "Museum of Horrors," this French anatomical collection has been fascinating visitors for over a century.

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

The curios of pharmacist and collector Henry Wellcome.

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

An encyclopedic collection of mammal penises.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

In the early 1800s, surgery was also a show.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

Its buzzing collection honors vibrator history.

America's first public mental health facility.

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

The unusual medical inventions of the man who gave the world Corn Flakes.

This small exhibit explores the lives of Chang and Eng, the first known conjoined twins.

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

This collection of bronze hands comes from astronauts, presidents, baseball greats, and more.