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

This heavily worn bas-relief was once an honored fertility symbol.

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

The legendary giant's severed hand sits on Antwerp's popular shopping street.

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

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

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

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

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

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

The Belgian library displays burned books that were salvaged from the fires of both world wars.

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

Lavish royal estate punctuated with heated greenhouses.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

A colossal aqueduct from the second century B.C., deeply hidden in a gorge on the outskirts of Rome.

This abandoned Brutalist treehouse is a hidden architectural relic.

Roman-era ships unearthed...

An Italian ghost town that fought obscurity, until a mysterious illness brought it to its knees.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

Roman politician Herodes Atticus built this nymphaeum to honor his wife, whom he may have murdered.

A hidden workshop for creating and restoring Papal mosaic masterpieces.

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.