Most prolific publishing house in the 1600s open to the public.

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

An open-air sewer system that was covered piece-by-piece over 300 years.

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

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

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

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

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

Brussels' favorite peeing boy has a sister.

Meet the bronze beloved pet to a family of famous peeing statues.

A little sculpture with a large wardrobe.

This modern arts center is built around a gem of late-Baroque architecture.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Theme park featuring miniature replicas of European monuments.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Cozy basement bar sports an inventory of over 2,000 beers.

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

Lavish royal estate punctuated with heated greenhouses.

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

Italian cave with exceptional acoustics and an unsavory history.

A study of Fascist era Art Deco design in Italy.

This Arabesque Italian castle was built with a primitive, if ingenious, air-conditioning system.

Thousands of well-dressed mummies below a monastery.