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

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

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

The highest point in Belgium is a staircase to nowhere.

Brussels' favorite peeing boy has a sister.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

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

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

A little sculpture with a large wardrobe.

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

Christ's blood preserved in a Belgian town.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

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

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

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

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

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

Lavish royal estate punctuated with heated greenhouses.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.