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

Walk or bike along a narrow strip of Belgium sandwiched by German territory.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

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

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

This automated sculpture of two men peeing will spell out text messages with their micturition.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

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

Six turbines towering over a wide road for passersby.

This bike path traverses the treetops.

The two massive guns that defended Cartagena Bay.

A little sculpture with a large wardrobe.

Theme park featuring miniature replicas of European monuments.

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.

Hiding the longest subterranean river known in the world.

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

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

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

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

Artwork tucked within the trees greets visitors with surreal sonic experiences.

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