The most visited, and possibly most controversial, museum in Germany.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

A comic book store that puts the marvel back in marvellous.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Eighty million natural history specimens call this gargantuan museum home.

Catacombs turned marketplace.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Cat art as far as the eye can see.

The celebrated eyesore created by starry-eyed sweethearts.

This demon atop the Notre-Dame de Paris looks utterly bored.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

A Museum of Psychiatry in a still-operating mental institution.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.