The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

This sprawling Jewish cemetery is one of the largest in Europe.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

This curious sculpture represents the perseverance needed to take to the skies.

Reminders of the Battle of Berlin still scar the railway.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

A monument to the man who almost killed Hitler.

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

Super-heavy Nazi architectural experiment.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Where once there was a train station bathroom, there is now this German burger joint.

Art and a pun, all in one.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

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

Started as a kitchen garden, now the second largest botanical garden in the world.

A curious collection dedicated to human and animal anatomy and pathology.

The bomb-ravaged remains of of a colossal Neptune.

Bell tower juts out from a village buried under a lake.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

One of the largest caves in the world open to the public.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.