Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

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

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

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

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

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

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

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

A collection of abandoned typographic signs from Berlin and beyond.

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

Art and a pun, all in one.

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

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

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

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

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

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

An eerie, derelict amusement park in Berlin.

An underground passage is home to a guillotine that predates the French Revolution by more than two centuries.

These 500-year-old frescoes depict the city in its glory days.

The oldest civic library in Italy can trace its foundation back to 1619.

An ancient cemetery hides behind a line of disparate chapels.