Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

A massive marble foot is tucked away in a small alley near the Pantheon.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

These spartan apartments are provided to clergymen visiting Vatican City.

Breathtaking and huge 430 year old maps of Italy.

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

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

A rather vulgar example of the transition from Latin to the Italian vernacular.

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

The remains of this 2nd-century Roman temple are incorporated into a modern building.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

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

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

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

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

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

The final resting place of the poets Shelley and Keats.

Rome’s legendary peephole vista is also a former Crusader stronghold.