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

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

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

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

A madman's personal garden filled with 1,000 sculpted heads.

The abandoned ruins of a failed resort hide on this verdant, picture-perfect island.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

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

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

Beautiful views and Roman-style statues on the Italian coast.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

A sulfuric hellscape in southern Italy.

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

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

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.

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

The world's oldest surviving anatomical theater, where "the dead are pleased to help the living."

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

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

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

The bomb-ravaged remains of of a colossal Neptune.

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

Roman-era ships unearthed...

A massive natural rock arch gives the Tuscan mountain its own window to the sky.