Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

The fairy tale castle of the "fairy-tale king."

Christ's blood allegedly preserved in a Belgian town.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

This modern arts center is built around a gem of late-Baroque architecture.

Meet the bronze beloved pet to a family of famous peeing statues.

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

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

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

Incredible labyrinth of man made caves.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

Amsterdam's former hotspot for public executions and dissections.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

A beautifully eclectic mix of architectural styles.