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

The world's oldest bookshop still in operation.

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

A mythically themed self-built sculpture park.

Enormous, fluffy dogs frolic around this museum dedicated to a legendary Saint Bernard.

The steepest classic funicular in the world glides along a dizzying incline.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

Caves famous for the dragon-slaying saint who lived there.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

An abandoned swimming pool decays on the outskirts of Berlin.

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

Puppet theater and museum holding a collection of more than 300.

When German-Iraqi relations broke down, this embassy was vacated post haste.

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

A wunderkammer of mysterious objects and stories.

Art and a pun, all in one.

A collection of abandoned typographic signs from Berlin and beyond.

A surreal museum of extraordinary industrial objects.

This basement museum explores the art and artistry of fascism.

A public urinal so pretty, it was declared a national monument.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

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