This still-celebrated home was a radical architectural experiment in 3D De Stijl.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

Museum preserving torture methods from the past.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

Ancient mysterious ruts carved in the bedrock.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

This French chateau is home to the world’s largest private collection of fighter jets.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

France's most famous cemetery, with some of its most curious tombs.

This Belgian theme park began as a refuge for bored church children and was closed down when a boy lost an arm.

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

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

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

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

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

The site of Austria's biggest concentration camp now honors its victims.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Baroque celebration of the end of the Great Plague of Vienna.

A beautiful viewpoint on the Garden Route overlooking a naturally-occurring outline of Africa.

One of the tallest statues in the world, and the tallest statue of a goddess in Japan.