Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Go inside to really appreciate this 500-year-old technological masterpiece.

Drink wine handed out through a window as part of an age-old tradition.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

Overlooked amid the tourist bustle of Florence, this museum is dedicated to the craft of stone inlay.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

This Quebec estate is home to the elaborate gardens of a self-taught horticulturist.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

The abandoned medieval theme park was meant to be the "Disneyland of the Philippines."

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

The once-grand remains of this resort are slowly turning into the strange ruins of the future.

The cemetery was built for the Spanish colonial elite, but its most famous residents were all buried in unmarked graves.