350 Park Avenue

Park Avenue Plaza is an office building in the New York City borough of Manhattan, occupying the block bounded by 52nd Street, 53rd Street, Park Avenue and Madison Avenue, adjacent to the Racquet and Tennis Club building. Park Avenue Plaza was designed by the architecture firm of Skidmore, Owings & Merrill, and was constructed from 1979 to 1981. The building stands at 574 feet (175 m), with 44 floors above ground, and has over one million square feet of space available. As of 2018, ownership of the building is divided between Fisher Brothers and Chinese real estate magnate Zhang Xin's SOHO China.

The Racquet and Tennis Club, familiarly known as the R&T, is a private social and athletic club at 370 Park Avenue, between East 52nd and 53rd Streets in Midtown Manhattan, New York City.

The Mrs. O. H. P. Belmont House was a mansion located at 477 Madison Avenue on the northeast corner of 51st Street in Midtown Manhattan, New York City, New York, United States. The building was demolished in 1951.

The National Committee on American Foreign Policy (NCAFP) is an American nonprofit, nonpartisan activist organization dedicated to the resolution of conflicts that threaten United States interests. Founded in 1974 by Hans Morgenthau, the organization works to identify, articulate, and advance U.S. foreign-policy interests within the framework of political realism.

The CBS Studio Building is a seven-story office building at 49 East 52nd Street in Midtown Manhattan, New York City. It has had various uses at different times, including serving as a Vanderbilt family guest house, the first graduate school of the Juilliard School, CBS Radio studios, and Columbia Records studio. It is currently owned by the Fisher Brothers, who converted it to an office building in conjunction with construction of the 45-story Park Avenue Plaza to its east.

St. Bartholomew's Church, commonly called St. Bart's, is a historic Episcopal parish founded in January 1835, and located on the east side of Park Avenue between 50th and 51st Street in Midtown Manhattan, in New York City. In 2018, the church celebrated the centennial of its first service in its Park Avenue home.In 2020, it reported 2,196 members, average attendance of 386, and $2,791,353 in plate and pledge income. On October 31, 2016, the St. Bartholomew's Church and Community House complex was designated a National Historic Landmark, for its significance as an important example of early 20th-century ecclesiastical architecture designed by Bertram Goodhue.

Lotte New York Palace Hotel is a luxury hotel in the Midtown Manhattan neighborhood of New York City, at the corner of 50th Street and Madison Avenue. It was originally developed between 1977 and 1980 by Harry Helmsley. The hotel consists of a portion of the Villard Houses, built in the 1880s by McKim, Mead & White, which are New York City designated landmarks and listed on the National Register of Historic Places. It also includes a 51-story skyscraper designed by Emery Roth & Sons and completed in 1980. The Villard Houses, arranged in a U-shaped plan, consist of three wings surrounding a central courtyard on the east side of Madison Avenue. The houses' center wing serves as a lobby, while the south wing serves as an event space. Behind the Villard Houses to the east is the modern skyscraper addition. As of 2021, the hotel has 909 rooms and suites. The top floors of the skyscraper are known as the Towers, which consist of 176 luxury units. Among the units in the Towers are four ornate triplex suites, each with their own decorations, as well as four other specialty suites. The Helmsley Palace Hotel opened in 1981 and was operated by Helmsley until 1992. As part of a bankruptcy proceeding, it was sold in 1993 to the Sultan of Brunei, who completely renovated the hotel and Villard Houses. The government of Brunei took over the hotel from the royal family in the late 2000s. Northwood Investors, an American real estate investment firm, bought the hotel from the government of Brunei in 2011 and renovated it. The hotel was sold again in 2015 to Korean luxury hotel operator Lotte Hotels & Resorts, which renamed it the Lotte New York Palace Hotel.

Chateau Moderne was a Manhattan night club which was popular in the 1930s. It was located in a no longer extant building at 42 East 50th Street, between 5th and Madison Avenues. The establishment entered a not guilty plea to income tax evasion in Manhattan United States Federal Court on July 19, 1939.In 1935 Chateau Moderne was renovated with the bar being moved forward to provide room for a sensational stage show. It reopened on September 14, 1935. Singer Nora Lee King, a Decca Records recording artist, entertained at the night club in November 1941.Matchbook

The Villard Houses are a set of former residences comprising a historic landmark at 451–457 Madison Avenue between 50th and 51st Streets in the Midtown Manhattan neighborhood of New York City. Designed by the architect Joseph Morrill Wells of McKim, Mead & White in the Renaissance Revival style, the residences were erected in 1884 for railroad magnate Henry Villard. They comprise a portion of the Lotte New York Palace Hotel, the main tower of which is to the east. The building comprises six separate residences in a "U"-shaped plan, with wings to the north, east, and south surrounding a courtyard on Madison Avenue. The facade is made of Belleville sandstone, and each house consists of a raised basement, three stories, and an attic. Among the artists who worked on the interiors were artist John La Farge, sculptor Augustus Saint-Gaudens, and painter Maitland Armstrong. Some of the more elaborate spaces, such as the Gold Room, dining room, and reception area in the south wing of the complex, still exist as part of the New York Palace Hotel. The houses were commissioned by Henry Villard, president of the Northern Pacific Railway, shortly before he fell into bankruptcy. Ownership of the residences changed many times through the mid-20th century. By the late 1940s, the Roman Catholic Archdiocese of New York had acquired all of the houses, except the northernmost residence at 457 Madison Avenue, which it acquired from Random House in 1971. The New York City Landmarks Preservation Commission designated the complex an official landmark in 1968, and the residences were listed on the National Register of Historic Places in 1975. As part of the construction of the New York Palace Hotel, completed in 1980, the north wing was turned into office space for city preservation group Municipal Art Society.

The Omni Berkshire Place hotel is located at 21 East 52nd Street, near Madison Avenue, in Midtown Manhattan in New York City. It is owned and operated by Omni Hotels & Resorts.

On July 28, 2025, a mass shooting occurred at 345 Park Avenue in Midtown Manhattan, New York City, United States. The incident began at 6:28 p.m. EDT (UTC–4). A gunman identified as 27-year-old Shane Tamura, wearing body armor, fired an AR-15–style rifle inside the building killing four people, including a New York City police officer who was off-duty and working as security. Tamura committed suicide after barricading himself. The mass shooting is the deadliest in New York City since the 2000 Wendy's massacre in Queens. The perpetrator's motive is being investigated by police.

345 Park Avenue is a 634-foot (193 m) skyscraper in the Midtown Manhattan neighborhood of New York City. It occupies an entire city block bounded by Park Avenue, Lexington Avenue, 51st Street, and 52nd Street. Completed in 1969, with 44 floors, the building was designed by Emery Roth & Sons. It is near the Racquet and Tennis Club and Park Avenue Plaza to the northeast; the Seagram Building to the north; 599 Lexington Avenue to the northeast; and St. Bartholomew's Episcopal Church and the General Electric Building to the south. It is built on the site of the Hotel Ambassador, which had opened in 1921. It was sold to Sheraton Hotels in 1958 and renamed the Sheraton-East. It was demolished in 1966. Exteriors of 345 Park Avenue were used as the headquarters of CSC and Continental Corp. in the Aaron Sorkin series Sports Night from 1998 to 2000.