Skyscrapers Architects Wallace Harrison

1221 Avenue of the Americas, also known as the McGraw-Hill Building is a skyscraper built in 1969, located at 1221 Sixth Avenue, Midtown Manhattan, New York City, New York, between Sixth Avenue and Seventh Avenue. It is the third building in Manhattan to have the McGraw-Hill name, and is one of several buildings which are part of the Rockefeller Center complex expansion in the 1960s. It is 674 feet (205 m) high and 51 stories.

The Exxon Building, more widely known by its address, 1251 Avenue of the Americas, was part of the later Rockefeller Center expansion (1960s-1970s) dubbed the "XYZ Buildings" on Sixth Avenue, (also known as Avenue of the Americas). Their plans were first drawn in 1963 by The Rockefeller family's architect, Wallace Harrison of the architectural firm, Harrison and Abramovitz. Their letters correspond to their height.

McGraw-Hill Building may refer to:

National City Tower is a skyscraper in Downtown, Louisville, Kentucky, United States, and located at 101 South Fifth Street. The 40-story, 512-foot (156 m) high structure was designed by architects Wallace Harrison and Max Abramovitz and was completed in 1972. The building, originally named First National Tower, was named after First National Bank and renamed National City Tower when First National was acquired by National City Bank.

The Time-Life Building, located at 1271 Avenue of the Americas (6th Avenue) in Rockefeller Center in New York opened in 1959 and designed by the Rockefeller family's architect Wallace Harrison, of Harrison, Abramovitz, and Harris. It was the first expansion of Rockefeller Center west of the Avenue of the Americas. Air rights for the building were purchased from the Roxy Theatre to the west. The Roxy would be torn down in 1960 and an office building that is connected to Time-Life was built.

The United Nations Headquarters is a distinctive complex in New York City, United States, that has served as the official headquarters of the United Nations since its completion in 1952. It is located in the Turtle Bay neighborhood of Manhattan, on spacious grounds overlooking the East River. The United Nations has three additional, subsidiary, regional headquarters or headquarter districts. These are located in Geneva (Switzerland), Vienna (Austria), and Nairobi (Kenya).