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

This enormous steel tube is the biggest speaking horn in the world.

Lavish royal estate punctuated with heated greenhouses.

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

Theme park featuring miniature replicas of European monuments.

A wonderfully kitsch bookstore the size of a supermarket.

A man throwing a giant severed hand towers over Antwerp’s main square.

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

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

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

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

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

This bell tower is the only one of its kind in the Netherlands and was a symbol of prestige.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

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

What was once a bustling mining installation is now a bustling hub of contemporary art.

A giant bug impaled on a 75-foot-tall needle.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

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

The birthplace of the titular coat and related products celebrates its claim to fame with a statue of a coat.

The tallest church in Mechelen might have been the tallest in the world if not for a lack of funds.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.