No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

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.

An abandoned desert hamlet swallowed up by sand.

This living legend of maritime history is enjoying a second life.

The largest falcon hospital in the world, caring for over 6,000 feathered patients every year.

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

A faithful reproduction of Al-Jazari's enormous water clock.