This Roman amphitheatre was also the location of the first gladiator school.

The walls and streets of the ancient city are peppered with penises.

Buried next to Pompeii, this lesser-known Roman villa was the opulent vacation home of Emperor Nero's wife.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

Ruins of a 13th-century fortress perched above a breathtaking Mediterranean bay.

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

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

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

This former royal palace with gorgeous gardens became the first museum in Morocco.

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

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

A rather vulgar example of the transition from Latin to the Italian vernacular.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

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

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

This splendid mosaic embodies ancient Rome's fascination with the exotic allure of Egypt.

The city of Palestrina was built around this magnificent terraced sanctuary dedicated to the pagan goddess Fortuna.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

A long-buried ancient ruin unearthed right in the middle of the city.