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

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

Ghost Town in the Demilitarized Zone of the Golan Heights.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

Skyscraper powered by wind turbines attached between its towers.

Whitewashed mosque contains the world's largest carpet.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

The world's largest frame offers spectacular views of the city's past and present.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

Traditional architecture and ancient irrigation systems are on display in this gorgeous mountain village.

This beautifully restored fortification kept the city safe for centuries.

An imposing Omani fortress surrounded by date palm trees.

This spectacular mosque houses the second-largest chandelier in the world.

This bazaar is one of the oldest in the Arabian world.

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

Where artisans use centuries-old techniques to build traditional Arabian ships.

A bright little alley in La Boca is a part of tango history.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

The celebrity luchadores of La Paz are tough ladies in traditional petticoats and braids.

A seemingly endless landscape of pure salt stretches far across Bolivia.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.