The 10 Most expensive houses in the world, their worth, and who owns them (+Photos)

4. Four Fairfield Pond

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Location: Sagaponack, New York
Value: $248.5 million

Details: This 29-bedroom home sits on 63 acres and has its own power plant. Inside, there are 39 bathrooms, a basketball court, bowling alley, squash courts, tennis courts, three swimming pools, and a 91-foot long dining room.
Owner: Ira Rennert—Owner the Renco Group, a holding company with investments in auto manufacturing and smelting. He also has holdings in metals and mining.