A limestone grotto where daylight filters in from below and turns the water a beautiful turquoise. Also home to a small underwater nativity scene.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

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

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

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.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

Atop the former site of a historic bakery sit two stone tributes to Verona's contribution to traditional Italian baking.

These elaborate gothic monuments honor Verona's medieval lords.

A gorgeous example of 13th-century Gothic architecture.

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

It’s said this crypt was the setting for the tragic finale of the Shakespeare play.

Pilgrimage site for star-crossed lovers.

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.

This fascinating museum in an old water tower holds the world's largest collection of Vodou artifacts from western and central Africa.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

There has been an astronomical clock on this spot since the 14th century.