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

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

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

This classic restaurant features a gorgeous mirror-clad room.

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

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

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

This riverside restaurant has been serving customers since 1146.

This spectacular track has run continuously since 1882.

A modern museum dedicated to the fairytales and dictionary work of the Brothers Grimm.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

An enormous, inside-out glass globe built in 1935.

The world's first interactive human body museum also serves as a chair for a giant orange man.

The Virginia home of one of the signers of the Declaration of Independence is being preserved with a unique glass facade.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

A striking public sculpture representing the period of martial law in Communist Poland.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

A swath of France so devastated by war it is still forbidden to go there.

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

The wooden house where the jazz great learned to play the piano.

The last planned Soviet city was built for the former residents of Pripyat after the Chernobyl disaster.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.