Name the Price: Mansions

Chances are you won't be able to actually buy one of these mansions -- all you can really do is drool at the pictures and take a wild stab at their price tags. But if you do happen to have $100 million lying around, hey, you're in luck! Almost all of these behemoths were actually on the market at press time. Grab your diamond-encrusted cell phone and call your real estate agent before some other gazillionaire beats you to it!

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