The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

France's most famous cemetery, with some of its most curious tombs.

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

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

The Devil’s own choice when he needs a drink in Brussels.

A little sculpture with a large wardrobe.

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.

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.