To Live in the Sky, Try Dubai

Think New York City is the best place to see tall buildings? Think again. Dubai has skyscraper fever—and 25 percent of the world's cranes. More than $310 billion in construction is underway or planned, including the Burj Dubai, which will reach 160 stories at a rumored height of 2,684 feet (the competition in Dubai is so intense, the developer doesn't want to announce the actual figure for fear of being eclipsed).