Top 10 Most Expensive Houses in the World

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It's Muggle Madness at London's Platform 9 ¾

It's Muggle Madness at London's Platform 9 ¾

London's Platform 9 ¾ may not get you to Hogwarts, but it's still fun to take your picture there. HowStuffWorks takes you there.

Author's Note: Top 10 Most Expensive Houses in the World

I have a confession to make; I am square-foot challenged. If you quote a square footage figure to me, I have literally no reference point. You say the apartment is 25,000 square feet? Wow, that's big, right? But is it big like a basketball court or big like a football stadium? I am that impaired. If you're searching for a root cause, I'd say it's my poor to very poor multiplication and division skills and generally lousy ability to estimate any distance or quantity. I'm the same guy who stares at the water cooler bottle filled with jellybeans at the "Guess How Many?" booth and says, "I don't know ... 100?" My inability to wrap my head around any number larger than 100 might explain why I have such a small house. I'd tell you the square footage, but I have no idea.

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