The streets might not be paved in gold, but the world's most expensive residential roads are brimming with ultra-high-end homes boasting ... celebrity neighbors, billionaire buyers, and ...

Obviously, not everybody who lives on "Billionaires' Beach" is a billionaire, but some are, including building tycoon and art collector Eli Broad, who had this summer home built in 2001.

Forbes said the 84-year-old lives in Florida with a real-time net worth of $2 billion — and after this house sale, he’ll be a ...

Charles and David could use their $86 billion to buy Atlanta, Georgia's 286,629 single-family homes. Bill Gates and Boston are next, followed by Berkshire Hathaway billionaire Warren Buffet.