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

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

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

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

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

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

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Architectural monsters are devouring this palace's every door and window.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

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

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

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

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

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

Ancient ruins hidden underneath a modern luxury hotel.

The history of drinking is told through 1,800 cups, chalices, and glasses at this exhibit.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

A hidden three-foot-wide house separates these two regal churches.

This giant sculpture made of trash is a critique of society's wastefulness.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.