Hanging within this medieval church are the bones of a beast allegedly slain by a fourth-century saint.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

A fortified medieval basilica on the Caelian Hill preserves extraordinary frescoes and one of Rome's most beautiful hidden cloisters.

This ancient trail climbs the mountain where a Latin League cult worshipped Jupiter, its main deity.

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

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

This large, circular tomb is the final resting place of the first emperor of Rome.

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

2300-year-old Roman road connecting the empire.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

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

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

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

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

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

This community on a small Venetian island has taken to painting their houses in bright neon hues.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

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

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