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

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

The other side is actually green.

One of the most spectacular canyons in the world.

Mosaics, storks, and brothels—this ancient city has it all.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

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

During World War II, this rice mill became a Nazi concentration camp.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

The only museum with its curator—and her pets—buried inside.

Go inside to really appreciate this 500-year-old technological masterpiece.

A refurbished locomotive from a bygone era in the middle of the Jordanian desert.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Only a handful of these gorgeous historic waterwheels remain but even those are in danger from local unrest.

What is left of the pillar of Saint Simeon, the voluntary martyr who climbed the column to give his sermons, remaining perched there for thirty-seven years.

Ruins of the Crusaders' headquarters.

Mysterious lost empire of the Silk Road.

Long before air conditioning, Persian architects found an ingenious way to cool off.

Marked by the hand of the explorer Henry Morton Stanley.

Named after a legendary garden called Eram in southern Arabia, built by order of Shaddad, an Arab king who wanted to compete with Paradise.

A dreamy mausoleum honors Persia's most famous poet.

This ancient burial site is believed to be one of the first earthquake-protected structures in the world.