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

The former home of an Italian artist is now a shrine to his ambitious works.

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

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

A burial vault located under Tiber Island in the middle of the Italian capital.

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

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

Its interior is adorned with some of the best examples of early Christian mosaics.

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

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

A wunderkammer of curious objects and intriguing art nestled within a hub of ancient Roman sites.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

Roman-era ships unearthed...

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

A forgotten "city of water" underneath the famous Trevi district.

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

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

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

One of the most important yet well-hidden museums dedicated to the history of medicine.

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

An abandoned Roman salami factory has found new life as an art space home to 200 squatters.

A hospital where antique dolls are given new life.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.