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.

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

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.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

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

The mystic whose incorrupt corpse still attracts the faithful.

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

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

This ancient trail climbs the mountain where a Latin League cult worshipped Jupiter, its main deity.

This hidden alley near the location of Rome's first theater was the site of a curious miracle.

Plaques on its facade commemorate the Tiber's most destructive deluges.

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

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

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

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

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

Rome is now home to a stunning food museum and library.

Inside this building is another country within Rome, a sovereign entity without a physical territory.

Architectureal fantasy quarter of Rome.

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

The world's longest known cave system.