The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

The oldest-known example of a historic architectural style recognized by UNESCO.

Southern Italy's spinning top village.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

During World War II, the Nazis repurposed this beer cellar to store stolen artwork.

A small museum dedicated to the small—but mighty—Nürnberger Rostbratwurst.

These murals stand as reminders to the troubled history of this Northern Ireland city.

Traditional 11th-century outdoor tannery.

This historic bathhouse that likely dates back to the 1300s.

The oldest known university in the world is in Fez, Morocco.

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

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Founded as a refugee camp, now a popular tourist spot.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

One of the most spectacular canyons in the world.

The world's largest concentrated solar power plant.

Vast stretch of tide-pools with a unique Moroccan charm.

A fortified city, home to a remaining population of five families