111 Eighth Ave.

NYC Landmark (and Google HQ) for Sale: $2 Billion

At 3 million square feet, 111 Eighth Ave. is one of New York's largest buildings. But it's unusual for far more than than its size: It's also a historic landmark, home to Google's NYC headquarters, and the site of one of the most vital telecom hubs in the nation. And it's on the market.