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

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

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

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

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Ancient ruins hidden underneath a modern luxury hotel.

A sculpture serving as an homage to Pope John Paul II.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

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

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

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

According to local folklore, this Roman sepulcher was once a throne for the Devil.

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

A modern sliver of architecture in Roma.

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

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

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Some say this medieval church is where the poet Dante married his wife and also met the love of his life.

The oldest operating pharmacy in the world features 800-year-old recipes.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Fountain where visitors can earn a license to be mad.

An unusual house built using an iso-elastic membrane.