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

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

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

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

A hidden museum focusing on the sexual aspects of anthropology.

One of the oldest bank museums in Europe showcases unusual currencies of the world and other money-related miscellanea.

Drink among marionettes at this pub inside a historic puppet theater.

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

A little sculpture with a large wardrobe.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Brussels' favorite peeing boy has a sister.

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

A floating cat sanctuary on an Amsterdam canal.

This remote Scottish island has the only round church in the nation.

Over 70 independent businesses have set up shop in this former Victorian department store.

The Sun King's military models, saved from the Louvre.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The video game-themed street art first popped up in the French city.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.