This hermitage celebrates the legend of Emperor Constantine's healing from leprosy.

What appears to be an ancient Roman temple is actually a Catholic church.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

Hidden within this iconic mountain are a set of World War II bunkers once used by German forces.

A burial vault located under Tiber Island in the middle of the Italian capital.

A holy stone inside this spectacular hermitage is said to have healing properties.

The skull of this patron saint is kept in a shrine located in his hometown.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.

A room filled with frescos that make it seem like the walls are crumbling down while giants die in despair.

An unremarkable wooden wheel built into the side of one of Rome's oldest hospitals was part of a policy to reduce infant exposure.

The charred, dead skeleton of an oak tree is said to have consoled a dying 16th-century Italian poet.

A network of underground water channels that dates back to the Middle Ages.

A series of caves, tunnels, and wells filled with fascinating figures and symbols.

Wandering this ancient burial place offers a glimpse of the afterlife in the fresco-adorned tombs of an ancient Etruscan civilization.

A dreamlike medieval church dug into the tuff rock, with unusual carvings and possible traces of the Templar knights.

One of ancient Etruria's most spectacular archaeological sites with impressive necropolises and rugged landscape.

Jesus turns into vines inside this chapel.

This monumental fountain has moved around the city multiple times.

South of Bologna, a limestone grotto with a protruding waterfall and a floor full of cave pearls.

The crumbling remains of a 19th-century textile factory.

On the walking path from Monterosso to Vernazza, a small shrine dedicated to feline friends.

A literary park dedicated to the memory of a filmmaker, writer, and intellectual who was killed in 1975.

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.

Buried next to Pompeii, this lesser-known Roman villa was the opulent vacation home of Emperor Nero's wife.