A small town Romanian cemetery filled with darkly humorous gravestones.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This massive underground salt mine now holds a sci-fi theme park in its depths.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

This classic restaurant features a gorgeous mirror-clad room.

A slice of central Asia in the middle of Berlin.

A surreal museum of extraordinary industrial objects.

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

Art and a pun, all in one.

Berlin's oldest surviving academic architecture hosted decades of animal dissections.

A fascinating insight into daily life in the Eastern Bloc.

The most visited, and possibly most controversial, museum in Germany.

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

Cold war icon and onetime "hole" in the iron curtain.

Macabre astrological automaton clock dating to the late 1400s.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A mocking tribute to the past and modern leadership of Prague.

Two stunning 17th-century libraries and a cabinet of curiosities.

A saintly relic hidden in a Prague church basement.