22. (TIE) As if one penthouse above the Ritz Carlton in Manhattan's Battery Park wasn't enough, this deal includes the opportunity to merge two of them to create an 11,000-square-foot home.
Price: $75 million
Beyond the tremendous indoor space that this would create, residents would also have access to three private outdoor terraces that look out over the Freedom Tower and Statue of Liberty, plus all of the five-star amenities of the Ritz downstairs.