A colossal aqueduct from the second century B.C., deeply hidden in a gorge on the outskirts of Rome.

When occupying Nazi troops detonated a mine below, medieval frescoes were revealed in this small cliff-side hermitage.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

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

This region of the Perugia municipality has an unforgettable name.

This medieval mountain town is also known as the "Village of Streams."

The venerated body of a 12th century saint is celebrated each year with the 'Race of the Candles.'

The world's largest "Christmas tree" is illuminated by hundreds of lights stretching 2,000 feet up the slope of Mount Ingino.

Fountain where visitors can earn a license to be mad.

The ruins of this medieval castle overlook the lake of Piediluco in what was once a sacred forest.

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

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

This seventh-century fortification marked the western border of the Lombard duchy of Spoleto.

This statue is the only female representation of Rome's "talking statues."

The runoff from these fiery cliffs sends red water flowing into the sea.

The ruins of this Roman temple dominate the small city in southern Lazio.

The disputed geographic center, or "navel," of Italy.

One of the four sanctuaries of Rieti's Holy Valley was the site of the first living nativity scene.

Only three columns survive from this ancient temple in the town of Cori.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

This clifftop arch is a natural stunner.

This stretch of the ancient Roman road is preserved in a valley that witnessed many battles and legendary highwaymen.

A Roman calendar dating to the first century is tucked away in a small town alley.