About 2, 600 apartment units are expected to be completed this year in the Nashville region, up from about 990 last year, according to Reis Inc.

WSJ: Plots & Ploys: Heavyweights in Miami

The well-known venture capitalist recalled the incident while sitting on a leather sofa in his staggering penthouse: a newly completed two-bedroom, three-bath 5, 500-square-foot apartment on the 60th floor of the Millennium Tower with views from the Golden Gate Bridge to the Bay Bridge and beyond.

WSJ: Tom Perkins's Penthouse Fit for King

Meanwhile in New York half-completed structures dot Brooklyn's once-thriving Williamsburg neighborhood, while the massive Stuyvesant Town apartment complex in Manhattan teeters at the edge of bankruptcy.

FORBES: New Geographer