A long-buried ancient ruin unearthed right in the middle of the city.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

One of the best collections of wax anatomical models in the world.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

The anatomical-pathological collection of a man who changed surgery.

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

This museum inside Amsterdam's largest cemetery explores how people deal with death.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

The relics of dozens of martyrs are stored in a single chapel.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

Preserving the research tools, unexpected inventions, and odd collections of generations of college professors.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

Medical museum that houses most notably the taxidermied remains of Vladimir Demikhov's famous two-headed dog experiment.

The oldest continuously operating pharmacy in Europe.

Go inside a revolutionary, cage-less zoo where 35 species live and some of them roam free alongside their human visitors.