Rome's ancient Etruscan rival, now a park full of ruins.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

An Italian ghost town that fought obscurity, until a mysterious illness brought it to its knees.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

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

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

The giant skeleton sculpture is surprisingly well-traveled.

This delightful little museum is dedicated to only one thing: pasta.

Gigantic mosaic sculptures of the figures on Tarot cards fill this colorful Tuscan garden.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

One of the largest caves in the world open to the public.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

Crushed coral and crystals give the sand its signature coloration.

One of seven Jewish catacombs in Rome and one of only two open to the public.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

Virgil's many-mouthed gateway to the underworld.

Where Aleister Crowley taught magick in "La Chambre Des Cauchemars," his "Chamber of Nightmares."

This medieval Italian town is a sheer (and beautiful) cliffside defense.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.