Seventh Regiment Armory

The Park Avenue Armory Conservancy, generally known as Park Avenue Armory, is a nonprofit cultural institution within the historic Seventh Regiment Armory building located at 643 Park Avenue on New York City's Upper East Side. The institution displays unconventional artwork, including performing and visual arts. Park Avenue Armory leased the building for 99 years from New York State in 2006.

655 Park Avenue is a Georgian-style co-op residential building on Manhattan's Upper East Side, located on Park Avenue between 67th Street and 68th Street, adjacent to the Park Avenue Armory. It was developed in 1924 by Dwight P. Robinson & Company. The building at 655 Park Avenue was designed by architects James Edwin Ruthven Carpenter, Jr., often referred to by the initials "J.E.R. Carpenter", and Mott B. Schmidt. Carpenter is considered the leading architect for luxury residential high-rise buildings in New York City in the early 1900s, while Schmidt is known for his buildings in the American Georgian Classical style, including Sutton Place and houses for New York City's society figures and business elite.

625 Park Avenue is a co-op residential building in the Lenox Hill neighborhood of Manhattan's Upper East Side at the intersection of East 65th Street and Park Avenue. It is noted for its spacious residences, well-known residents, and having the only triplex apartment in the classic pre-War Buildings of the Upper East Side.

The Cosmopolitan Club is a private social club on the Upper East Side of Manhattan, New York City, New York, USA. Located at 122 East 66th Street, east of Park Avenue, it was founded as a women's club. Members have included Willa Cather, Ellen Glasgow, Eleanor Roosevelt, Jean Stafford, Helen Hayes, Pearl Buck, Marian Anderson, Margaret Mead, and Abby Aldrich Rockefeller.

The Harold Pratt House is a historic mansion located at 58 East 68th Street (at the corner of Park Avenue) on the Upper East Side of Manhattan in New York City. It serves as the headquarters of the Council on Foreign Relations think tank. The building's formal receptions rooms are also available to be rented for meetings, weddings and other special events.The house was constructed from 1919 to 1920 as a residence for oil industrialist Harold I. Pratt and his family. The Council on Foreign Relations moved into the building in April 1945 after it was donated by Pratt's widow, Harriet Barnes Pratt, in 1944.

Millan House is a historic co-op in Lenox Hill on the Upper East Side of Manhattan in New York City, USA. They co-op is made up of two buildings located at 115 East 67th Street and 116 East 68th Street, with 57 apartments in total. They are connected by "a formal back garden".

620 Park Avenue is a luxury apartment building on the Upper East Side of Manhattan on Park Avenue between East 65th and 66th Streets.

The Percy R. Pyne House (also known as the Percy Rivington Pyne House and Percy & Maud H. Pyne House) is a neo-Federal townhouse at 680 Park Avenue, located at the corner of Park Avenue and 68th Street in Manhattan. Today the Americas Society uses the building as its New York City headquarters.

The Americas Society is an organization dedicated to education, debate, and dialogue on the Americas. It is located at 680 Park Avenue on the Upper East Side of Manhattan, and was established by David Rockefeller in 1965.The Americas Society promotes the understanding of the economic, political, and social issues confronting Latin America, the Caribbean, and Canada; its mission is "to increase public awareness and appreciation of the diverse cultural heritage of the Americas and the importance of the inter-American relationship."

Venus Over Manhattan, known as VENUS, is an art gallery founded in 2012 by Adam Lindemann, with two locations in Manhattan.

The Queen Sofía Spanish Institute is an organization in New York City, founded to promote the Spanish language and the culture of Spain and the Americas. Its office is located at 575 Madison Avenue, following the sale of the 684 Park Avenue location in 2016.

The William Sloane House (also known as the William and Frances Crocker Sloane House) is a mansion located on 686 Park Avenue between 68th and 69th Streets in the Upper East Side of New York City. It was constructed for the industrialist William Sloane and his wife Frances Crocker Sloane in 1919 by Delano & Aldrich in the Colonial Revival style as one of the Park Avenue Houses. It changed ownership multiple times. Today the Italian Cultural Institute of New York is located there, next to the adjacent Italian consulate-general. The House was designated a landmark by the New York City Landmarks Preservation Commission in 1970. It is on the National Register #80002708 (1980).