Capital Gate, Abu Dhabi

Dubai typically hogs the limelight with its ambitious projects, but now Abu Dhabi is defying gravity with this glassy 35-story landmark—the world’s furthest-leaning man-made tower. The glinting 18-degree tilt (four times more than that of Pisa’s leaning tower) catches your eye among the city’s jumble of skyscrapers and cranes.

Unusual Buildings