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

A lavish 16th-century mansion filled with spectacular staircases, fantastic frescoes, and gorgeous gardens.

Fortified medieval tower house with lovely roof garden.

Every inch of this chapel is covered in craftsmanship from across the world.

A unique form of erosion created an uncanny landscape of boulders perched atop slender columns of clay.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This natural gas vent certainly earns its name as the smallest volcano in Italy.

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

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

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

The highest waterfall in Italy is only "turned on" five times a year.

Artist Diego Morlin's war between the natural and human worlds is a wanderer's delight.

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

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

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

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

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

A line of abandoned, alien-like fortresses dot the mountains of North Italy.

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

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

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

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

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

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.