Rockefeller Center ~ New York City ~ New York ~ It is a complex of 19 commercial buildings covering 22 acres (89,000 m2) between 48th and 51st streets in New York City. Built by the Rockefeller family, it is located in the center of Midtown Manhattan, spanning the area between Fifth Avenue and Sixth Avenue. It was declared a National Historic Landmark in 1987.
At the south end of Centre Street, directly under New York City Hall, is the City Hall Loop and its abandoned station, which was the southern terminus of the original IRT subway line. Closed since 1945.