“It’s the kind of place that you enjoy and use every inch of,” states the seller. “Although this penthouse has all the luxuries that you would expect of a premium apartment offering, we have been careful to ensure it feels like a home in the sky.”

Built in 1896, this beloved family home and lavish entertainer continues to host royalty, diplomats and global leaders in the arts, government, business and fashion in its collection of luxurious rooms.