A wunderkammer of gold and silver reliquaries and ancient saintly bones.

An ancient knight and a symbol of the city's freedom.

Gargoyle head that brings good luck.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

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

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

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

Berlin's old airport.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

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

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

This erect, phallic geological spire wasn't always named so domestically.

Baroque celebration of the end of the Great Plague of Vienna.

The house that took a plunge into the facade of a museum.

Op-art architecture designed for happiness.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

This 19th century cyclorama acts like an analogue time machine to a different era.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

This splendid tomb may look fantastic, but there's nothing in it...

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.