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