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

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

When a massive landslide hit one of the world's tallest dams it created a tragic environmental disaster.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

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

When this funny little building went up in the 19th century, most people thought it would simply fall over.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

Fortified medieval tower house with lovely roof garden.

Water and windows define this defensive Italian well.

A huge enchanting public park just outside the ancient walls of Rome.

A fake medieval village in the middle of Turin.

The final resting place of the poets Shelley and Keats.

2300-year-old Roman road connecting the empire.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

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

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

A 16th-century horror show built in a lovely Italian garden.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."