The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

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

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

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

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 unassuming bridge is most likely one of Michelangelo's unfinished masterworks.

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

An oasis of beauty, tranquility and botanical research in the middle of Rome.

The mystic whose incorrupt corpse still attracts the faithful.

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

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.