Have $70 million buring a hole in your pocket? The penthouse triplex of the Hotel Pierre is on the market. Its lavish interior has been seen only rarely over the last three decades. The ornate exterior of the penthouse is a signature feature of the Fifth Avenue skyline. Sweeping vista of Central Park and beyond. 3,500-square-foot, double-height ballroom (harp not included). Private elevator landing, complete with gilded doors. Original Belgian marble double staircase.