A fairy tale castle in modern Rome.

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

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

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

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

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

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

An Italian ghost town that fought obscurity, until a mysterious illness brought it to its knees.

This ancient market is often referred to as the oldest shopping mall in the world.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

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

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

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

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

The mystic whose incorrupt corpse still attracts the faithful.

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

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

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

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

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

This basilica is dedicated to two saints, one of which is known more for his famous quote.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.