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

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

This bike path was sunk below water level for maximum wonder.

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.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

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

A little sculpture with a large wardrobe.

This abandoned Belgian fortress is purposefully being left to nature.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

Hiding the longest subterranean river known in the world.

This ghost town in Belgium will lose its street art when it ceases to exist.

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

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

Theme park featuring miniature replicas of European monuments.

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

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

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

Lavish royal estate punctuated with heated greenhouses.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

The name Niarbyl means “the tail” and refers to the rocky formations that push out into the Irish Sea.

On the southwestern tip of the Isle of Man, a stone monument to one of the island's great conservationists.

This concrete memorial commemorates a group of brave locals who saved the crew and passengers of a wrecked ship.

Believed to be the former location of one of the earliest Viking assemblies in Europe.