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.

Whitewashed mosque contains the world's largest carpet.

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

This massive piece of artwork weighs more than 250 tons, and was designed as a tribute to the first president of the United Arab Emirates.