A small but immensely extravagant palace built by the "Night King."

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

This historic stone bridge has an entire neighborhood clinging to its sides.

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

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

Super-heavy Nazi architectural experiment.

A 12th-century fortress containing some of Berlin's oldest buildings.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

An intricate and amazing house built by architect Karl Junker.

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

A church filled with the bones of hundreds of virgins martyrs—or so they say.

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

"The most colorful grottoes of the world.

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 "floating railway" is one of the world's oldest monorail systems.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

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

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

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

A fascinating insight into daily life in the Eastern Bloc.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

A collection of abandoned typographic signs from Berlin and beyond.