McGraw Hill Building



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McGraw-Hill Building also known as 1221 Avenue of the Americas, the 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. On the 36th floor lies the headquarters for media company Sirius XM Radio. The Howard Stern Show is broadcast from this floor. The building has the headquarters of McGraw-Hill.
The expansion consisted of the three buildings collectively known as the "XYZ Buildings" (this is the Y building), each with similar slab-like massing, of different heights and designed by Wallace Harrison's firm.
The McGraw-Hill Building sunken courtyard of this building contains a large metal triangle designed by Athelstan Spilhaus and fabricated by Tyler Elevator Products, arranged so the Sun aligns with its sides at solstices and equinoxes. When 1221 Avenue of the Americas was built, the south-western corner held a display of scale models of planets in the Solar System. A mosaic map of the Earth survives in the north-western corner.