The Upper East Side is surely not wanting in glamorous real estate listings - lavish townhouses in particular. And following the passing of heiress, philanthropist and society favorite, Drue Heinz, with her gorgeous One Sutton Place home now on the market for a casual $21 million, we've a look at the neighborhood's true pièce de résistance. 

With quite a New York society history, the 6-bedroom, 8-bathroom, 7,000 square foot Georgian townhouse was originally built and designed for Anne Vanderbilt, and prior to Heinz, was owned by finance head Charles Merrill. 

Click through for a look at one of the most stunning city properties we've ever seen - and a true look back at old New York elegance. Let's just say, they definitely don't make them like this anymore.

[Photos courtesy Sotheby's]