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

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

Brussels' favorite peeing boy has a sister.

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

A museum dedicated to a Cold War era sausage.

This classic restaurant features a gorgeous mirror-clad room.

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

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

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Astonishing rock formations dot the Brimham Moor landscape.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

A museum devoted to the science of color.

An endless sea of white conical domes.

Early Islamic mosque with several strange conical domes.

Replica of mosque destroyed by Russia in the 16th century.

Structure built from the skulls of vanquished foes.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

This oddly shaped church resembles a rocket.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This tiny museum's sizable collection is jammed into a former underground public toilet.

The tallest hotel in Europe.

World's largest bell sits on the grounds of the Kremlin in Moscow.