An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

A museum in the childhood house of a medical pioneer.

Museum dedicated to the terror regimes of Hungary.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

A unrivaled and rather horrifying collection of wax dermatological models.

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

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

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

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

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

Museum preserving torture methods from the past.

The world's only museum devoted to the wonders of fluorescence.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

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

A museum of magic with a Sadist past.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

One of Ireland's most infamous prisons for rebels including men, women and children.