An unremarkable wooden wheel built into the side of one of Rome's oldest hospitals was part of a policy to reduce infant exposure.

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

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

A rather vulgar example of the transition from Latin to the Italian vernacular.

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

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

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

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

These hut foundations are believed to be the residence of Romulus, founder of Rome.

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

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

The ruins of an abbey believed to have been founded by Charlemagne in the 9th century.

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

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

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

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.

Rome's ancient Etruscan rival, now a park full of ruins.

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

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.

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