Location: Palm Beach, Florida

Price: $74,000,000

You know you're dealing with a stratospherically expensive house when the listing price gets a $10,000,000 chop and the place is still the priciest mansion in one of the country's richest towns, Palm Beach, Florida. Situated not far from the famous Breakers and Worth Avenue, the $74,000,000 mega-manse measures more than 27,000 square feet, features nine bedrooms and an astonishing 17 bathrooms, and sits on 2.5 waterfront acres. The impeccably kept home has never been lived in, which explains little oddities like the flimsy-looking bathroom lighting, but at this rate they'll have to find a billionaire looking to show off to sell. There's plenty to show off, too, if you're into reproduction French chateaus.

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