This lavish apartment is located on the 6th floor of 521 Park Avenue in New York, NY. The building was built in 1911, but the apartment was renovated in 2010. It boasts approximately 4,500 square feet of living space with 4 bedrooms, 5 bathrooms, 10.5 foot ceilings throughout, 35 foot long gallery with limestone paneled walls and, 40 foot long living room, marble and limestone floors throughout, formal dining room with wainscot paneling, gourmet kitchen and a walnut paneled billiards room. It is listed at $23,500,000. Out of all the Park Avenue apartments that we’ve featured on this site, this is by far one of our favorites! All of the rooms boast incredible details and elegant decor.