The Top 10 Most Expensive Homes In The World And Who Owns

_London,_UK_-_Diliff 1.Buckingham Palace, London, U.K. – $1.55 Billion Owner:  the official London residence of the British monarch. The 300-year-old townhouse with 755 rooms, the current residence of Prince William, the Duchess of Cambridge, Kate Middleton, the wee Prince George, oh, and the various staff and members of the British monarch.