Buyers are snatching up condos in this skyline-altering building in Manhattan - look inside one of its $20 million homes

Madison Square Park Tower is changing Manhattan's skyline. The 65-story glass skyscraper is the tallest in its Flatiron District neighborhood, and because of various zoning laws surrounding it, its fantastic views will never be obstructed. While the building won't be fully completed until 2018, 70% of the units have already sold, according to property developer Bruce Eichner.

Business Insider recently visited the 56th-floor apartment, which boasts a price tag of $20 million and 360-degree views of the city. Ahead, get the full tour.