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

This massive rock balanced for thousands of years being tossed here during a volcanic eruption.

Was this cave created by Hercules's wrath, the devil, or volcanic activity?

The remains of a town so thoroughly destroyed by French forces that the citizens simply left.

Largest necropolis in the Mediterranean.

The old church, buried by the 1784 Mount Vesuvius eruption, is a remarkably well-preserved place where people now pray for the souls of the dead.

The oldest volcanology research center in the world.

Romans built the world's tallest artificial waterfall in 271 BC.

This monumental fountain has moved around the city multiple times.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

A 17th-century doorway in a small Sabine village is a portal into the mysteries of alchemy.

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

Built to be the ideal penitentiary, this abandoned panopticon saw several revolts and even a prisoners' coup.

This crescent-shaped beach is said to glow under the light of a full moon.

A massive bridge forms part of an aqueduct that was deemed an architectural wonder of its time.

Known for centuries as the famous Roman emperor's burial place, this monument is actually something else.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

The Pope’s secret escape route.

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.