The memory of the ancient unit of measurement of local builders.

The disputed geographic center, or "navel," of Italy.

This decoration above a door, an unofficial family crest, is said to come alive during the night to try to get free of the stone.

This sculpture of a rhinoceros suspended above a city square is meant to evoke the weight of the human condition.

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

Nine caves filled with recently-discovered archaeological finds under the houses and the streets of the most ancient district of an old town.

This 21st century cabinet of curiosities includes dinosaur bones, moon rocks, film memorabilia, and more.

The "Mona Lisa" of funerary art.

This monumental fountain has moved around the city multiple times.

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

A petite white lighthouse perched on the ancient core of Stromboli Volcano.

The Emperor Tiberius' palace of debauchery.

The mark of the Devil's horns on a marble column in Milan.

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

A sulfuric hellscape in southern Italy.

This precariously perched fortress was once ruled by a crow-worshipping baron.

Anatomical cabinet holds unexpected treasures.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

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

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

Large Hadron Collider and the Birthplace of World Wide Web.