Former headquarters of the KGB.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

It has an American Dream Car exhibit, Europe's largest Formula One collection, and many, many mannequins.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

1898 German railroad depot museum with working engines, steam train excursions, and hands-on displays.

Take a walk in a recreation of ancient Rome.

Tiny castle in the middle of the Rhine made you pay to pass.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

A striking 12th-century-style castle built on the edge of a cliff.

When the rain falls, this drain system turns into a musical instrument.

Ruins of a German Castle on top of a towering stone pillar.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

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

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

A preserved college lock-up that recalls a clubhouse approach to discipline.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

It's good luck to be mocked by this monkey.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.