One of the tallest lighthouses in the world also serves as a monument to the fallen of World War I.

A whimsical bridge adorned with decorative dragons.

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

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

The charred, dead skeleton of an oak tree is said to have consoled a dying 16th-century Italian poet.

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

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

This hidden alley near the location of Rome's first theater was the site of a curious miracle.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

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

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

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

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

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

Its interior is adorned with some of the best examples of early Christian mosaics.

An alchemist's "magic door" stands in the middle of a Roman park.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Inside this building is another country within Rome, a sovereign entity without a physical territory.

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

An ancient Egyptian obelisk is now used to commemorate fallen Italian soldiers.

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

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

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

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