This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

Where members of the Crossbow Corps of San Marino demonstrate their skills.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

A fake medieval village in the middle of Turin.

The mountaintop inspiration for Umberto Eco's "The Name of the Rose."

From Carthage's Hannibal to riders of the Tour de France, many have crossed this scenic route through the Alps.

A gorgeous example of 13th-century Gothic architecture.

One of the oldest libraries in the world is still operating and contains the oldest existing document in the Italian language.

This medieval castle was reconstructed by Carlo Scarpa.

Pilgrimage site for star-crossed lovers.

Perched above a grotto, this tribute to Mother Nature looks out into the ocean.

Five candy-colored villages on the Italian Riviera.

This tiny chapel withstood a massive mudslide and flash flood.

This amazing medieval fortress stands atop a promontory along the famous Cinque Terre.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

Massive galleon from a box-office bomb docked in Genoa.

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.