These four fountains are said to have healing properties, with a glass of the 'miracle' water being given to Louis XII of France.

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

This abandoned Slovenian military barracks has become a punky-political art squat.

One of the world's oldest olive trees, thought to be over 2,000 years old.

Macabre symbols of death and mummies on display set the tone of this Italian purgatory church.

A lonely medieval monastery on an uninhabited island.

The nuns here cultivate silk to weave some of the finest scarves in the world.

This building was once the most magnificent mansion in Nafplio.

This quaint farm in the Peloponnese countryside hides an astonishing cache of antique curiosities.

A staircase made of gravestones leads up to this church built into a giant rock.

The abandoned summer estate of the former Greek Royal Family.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

Hideout of thieves, monks, and goat-footed gods.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.

Amalfi's pre-industrial history is slowly being engulfed by the lush vegetation of the Ferriere Valley.

This clifftop arch is a natural stunner.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

Famous landmarks and structures from across Italy fill this miniature park.

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

Ernest Hemingway was the first to sign this colorful wall covered in thousands of celebrity signatures.