Billionaire Homes
Bill Gates
Medina, Wash.
Net Worth: $56 billion
Rank: 1
Warren Buffett
Omaha, Neb.
Net Worth: $52 billion
Rank: 2
Lakshmi Mittal
London, England
Net Worth: $32 billion
Rank: 5
Michael Dell
Austin, Texas
Net Worth: $15.8 billion
Rank: 30
Paul Allen
Mercer Island...