The last moments of the ill-fated Pompeiians, frozen forever in plaster.

2300-year-old Roman road connecting the empire.

Stalactites and stalagmites in a beautifully lit cave.

Pompeii's less famous neighbor is still revealing her secrets.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Tubing through a cave lit with glowworms is a magical underground experience.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Most often copied TV Tower in the world.

This strange sculpture is an enigmatic icon of this medieval German town.

A peculiar trapezoidal building covered with wonderful humorous reliefs.

A Neolithic celestial calendar standing in a nondescript wheat field.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

The atomic museum in the basement of this German castle displays long strands of replica uranium cubes.

A serious museum dedicated to two German comedians.

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

The monumental home of Prussia’s eccentric "Cannon King."

In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Legendary site where an evil bishop was devoured by rodents.

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

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