Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

One of the most important yet well-hidden museums dedicated to the history of medicine.

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

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

The leathery remains of a woman who died in the 13th century now lie in a church named for her.

Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

A fortified medieval basilica on the Caelian Hill preserves extraordinary frescoes and one of Rome's most beautiful hidden cloisters.

This hidden alley near the location of Rome's first theater was the site of a curious miracle.

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

A small cell adjacent to this church was once the bedroom for a renowned saint.

Its interior is adorned with some of the best examples of early Christian mosaics.

An unusual "skull with ears" sits in the crypt of this small church tucked away at the end of a narrow alley.

The “Sistine Chapel” of the Middle Ages merges 11th-century science and religion in wondrous hues.

A former Roman town that was once the home of Scipio Africanus.

The meaning behind this triumphal Roman arch was a mystery until the early 20th century.

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.

Magnificent frescoes decorate the interior of this Romanesque church, which also showcases an unusual phenomenon during winter solstice.

Hidden in a high mountain cave, this hermitage dates back to the ninth century.

A Roman temple perched over an Italian town, forgotten several times over.

The relics of dozens of martyrs are stored in a single chapel.

An extraordinary house museum and cabinet of curiosities in the heart of Florence.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

In this medieval church, a centuries-old stuffed crocodile hangs from the ceiling.