The Italian revolutionary's legendary wife is portrayed on horseback waving a gun and holding her child in this memorial on the Janiculum.

This small church was constructed over the ruins of three temples dating to the Roman Republic.

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

One of Rome's most picturesque and original bridges was also a popular choice for Grand Tour artists.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

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

A colossal aqueduct from the second century B.C., deeply hidden in a gorge on the outskirts of Rome.

A statue representing a lost Roman profession that was vandalized for centuries.

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

This statue is the only female representation of Rome's "talking statues."

The remains of this 2nd-century Roman temple are incorporated into a modern building.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

Known for centuries as the famous Roman emperor's burial place, this monument is actually something else.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

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

This ancient Roman arch misled treasure hunters for centuries.

A massive marble foot is tucked away in a small alley near the Pantheon.

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

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

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

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

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

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

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