This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

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

Descend into the tunnels to experience the life of a coal miner.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

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

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

Lavish royal estate punctuated with heated greenhouses.