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

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

A 15th-century monumental Latin inscription on this house celebrates Lorenzo Manilio's love for Rome.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

A rare example of a medieval house in Rome adorned with a melancholic inscription.

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

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

This medieval church in Rome was almost destroyed following a terrorist attack in 1993.

This ancient Roman arch misled treasure hunters for centuries.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

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

This is the oldest Roman-made bridge in the city still existing in its original state.

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

An 18th-century post box used to alert the church of sick and ailing foreign pilgrims.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.