The eccentric midcentury home of a suspected mafia gun-runner.

The Devil’s own choice when he needs a drink in Brussels.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

A brush maker used his factory to protect blind Jews from the Gestapo.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

The most visited, and possibly most controversial, museum in Germany.

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

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

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 narrow Ghent alleyway is an officially sanctioned street art tunnel.

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

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