A large replica of a monumental Roman inscription is located on the side of this museum.

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

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

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

Hidden within this iconic mountain are a set of World War II bunkers once used by German forces.

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

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

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

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

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

This park on the outskirts of Rome boasts two ancient Roman aqueducts and a medieval tower.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

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

Roman-era ships unearthed...

A forgotten "city of water" underneath the famous Trevi district.

Gods clash with machines in a power plant regenerated as a museum.

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

This large, circular tomb is the final resting place of the first emperor of Rome.

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

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

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

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