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 17th-century passageway is home to numerous bookshops, a witch legend, and the oldest pizzeria in the world.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

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.

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

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

According to local folklore, this Roman sepulcher was once a throne for the Devil.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

This abandoned church in central Lyon is missing its front stairs.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

One of the oldest medical collections in Europe focusing on rare surgical instruments.