(MoneyWatch) -- Want to own a home that rivals the president's?
While few properties on the market can match the six-story, 55,000-square-foot White House, some come close.
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Indeed, the homes that follow are so big that they typically have staff quarters for all the help you would need to run a palatial mansion. They have features most homeowners could only dream about, from a nail salon to a 3-D movie theater to an underground firing range.
The smallest home on this list is more than 10 times the size of the average home. The largest house is the size of a football field, and only one is owned by a wealthy celebrity.