Terrifically morbid cemetary and site of famous Paracelsus' grave.

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

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

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

This one-time health resort was used by aristocrats around the world.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

A Nesting Doll of Churches.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Largest necropolis in the Mediterranean.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

Italian cave with exceptional acoustics and an unsavory history.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

The world's most active stratovolcano is almost always erupting.

Virgil's many-mouthed gateway to the underworld.

A tree that defies gravity grows in an ancient ruin.

A submerged archeological park still holds the wonders of a Roman Sodom.

A sulfuric hellscape in southern Italy.