A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

A young Italian couple has been locked in an embrace for over 6,000 years.

This abandoned island off the Venetian coast has been a radical monastery, a political prison, and a secret Nazi base.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

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

Art and armour fill every inch of this rich kid's Italian villa.

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

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

This half-finished "city of toys" was almost Italy's own Las Vegas.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

Italian cave with exceptional acoustics and an unsavory history.

A lover's walk between hilltop towns, decorated with graffiti love notes.

Medieval torture techniques with a modern conscience.

Erotic art covers the walls of the largest ancient pleasure palace.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

A sunken idol welcomes parishioners to Davy Jones' Locker.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

Walk through a fairytale in Tuscany.

Ancient ruins hidden underneath a modern luxury hotel.

Virgil's many-mouthed gateway to the underworld.

An ancient artistic garden parlor full of hidden water wonders.

Venice's island of the dead.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.