Single Form Single Form Single Form (BH 325) is a monumental bronze sculpture by the British artist Barbara Hepworth. It is her largest work, and one of her most prominent public commissions, displayed since 1964 in a circular water feature that forms a traffic island at the Headquarters of the United Nations in New York City, outside the United Nations Secretariat Building and the Dag Hammarskjöld Library. It is also the largest artwork cast by the Morris Singer foundry. Copies of a smaller version, Single Form (Memorial) (BH 314), are on public display outside the Johns Hopkins University's Paul H. Nitze School
Cathedral of Saint John the Divine of the biggest pieces of sculpture ever displayed in the United States, "Phoenix", by Chinese artist Xu Bing. In 2003, the cathedral was designated a landmark by the New York City Landmarks Preservation Commission; however, shortly thereafter, the designation was unanimously overturned by the New York City Council, some of whose members favored landmark status for the cathedral's entire footprint, rather than just the building. Councilman Bill Perkins proposed that the protective status should also be extended to the cathedral's grounds in order to control development there. In 2017, the Cathedral and the grounds were designated a New York City