With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

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

Continuing the tradition of the dime museum in style.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

The astonishing collection of an infamous criminologist.

Australian museum dedicated to human health and lack thereof.

Anatomical cabinet holds unexpected treasures.

An original apothecary from 1792.

A curious collection dedicated to human and animal anatomy and pathology.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

This former insane asylum now holds a pathological anatomy museum.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

Medical history with an amazing, if frighting, collection of wax diseases on display.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

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

One of the oldest medical collections in Europe focusing on rare surgical instruments.

A collection of 100 brains preserved in jars on the UT campus.

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...

Weird wax anatomical models reside here, as do other anatomical specimens.

A 200-year-old collection of medical paraphernalia in a historic house.

Venice's "Island of the Mad."