See one of the earliest depictions of a Christian ceremony – with a woman at the center!

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

A huge enchanting public park just outside the ancient walls of Rome.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

A small cell adjacent to this church was once the bedroom for a renowned saint.

Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

Charles Dickens was not a fan of the ghastly wall dressings in this 6th century church.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

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

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

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

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

A square-domed symbol of resilience in the heart of the old Jewish Ghetto.

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

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

A Nesting Doll of Churches.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

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

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

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