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

Largest necropolis in the Mediterranean.

Amalfi's pre-industrial history is slowly being engulfed by the lush vegetation of the Ferriere Valley.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

A fascinating assortment of cave dwellings, medieval ruins, and sarcophagi are being devoured by the forest.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

This military mausoleum captures the solemn grandeur that most memorials only aspire to.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

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

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.

A gorgeous medieval library where the books are kept in chains.

This is the oldest Roman-made bridge in the city still existing in its original state.

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

The ruins of an abbey believed to have been founded by Charlemagne in the 9th century.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

This park on the outskirts of Rome boasts two ancient Roman aqueducts and a medieval tower.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

Ride a boat through this magnificent underground world, which now doubles as a theater.

Geometry and mystery come together in an epic show of octagonal masonry.

This ancient altar emerges from the thick forests to reveal the mysteries of Etruscan sacrificial rituals.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

Crumbling ruins of the thermal baths that once attracted royals and aristocrats from throughout Europe.

This curious, round temple is the oldest still-standing marble building in Rome.