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

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

Secret refuge and museum of the Duke of Florence.

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.

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

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

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

The oldest operating pharmacy in the world features 800-year-old recipes.

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

The middle finger of modernity.

Once known for its horse-powered knife sharpening, this 200-year-old shop offers an array of blades and hard-to-find culinary tools.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

A diverse collection of wax, bone, papier-maché and mummified relics.

Stuck in the arcade of Casa Isolani are three arrows of mysterious origins.

A beloved local artist has been honored with this statue of a man emerging from a toilet.

This building features dozens of faces along its facade, although one is a bit chilling.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

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

A perfect circle of twenty-four mysterious holes dates back to prehistoric time.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

Four metal statues of massive animal penises stand outside the university's Animal Sciences building.

The island residents are known for taking their quirky sense of humor with them to the grave.