New York is full of luxury real estate, from country homes a short drive away to spacious apartments in the center of the bustling city. However, if you've ever wanted to boast living in the most expensive apartment in America, you now can for only $100 million! The exclusive wrap-around penthouse occupies three floors high over New York City on W. 56th Street, with terraces overlooking Midtown and Central Park. With 11,000 square feet, six bedrooms, 9 bathrooms, and a classic aristocratic interior design, this apartment is definitely one to see.