The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

These crumbling towers are some of the last remnants of a centuries-old Vietnamese culture.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

An extravagant monument to an extravagantly unpopular Emperor.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

The headquarters of a secretive order is also a beautifully-designed park.

An extensive collection of ancient Egyptian artifacts and mummies.

17th century mosque for Shah Abbas' harem.

These little castles each held thousands of pigeons.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

The palace of the King of Kings, burned by Alexander the Great.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

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

Over the dunes of the Empty Quarter, the mysterious music of the desert.

This mysterious abandoned fort looks like something pulled right from Arabian legend.

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

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

This indoor ski resort has a mountain contained inside a mall.

Planned as the world’s first zero-carbon city, it had lofty ideals—but is only 5 percent completed and aiming for 50 percent carbon-neutral.

The world’s largest LED display, built over an F1 race circuit.

This enormous sports car themed amusement park is home to the world’s fastest roller coaster.