Sitting strangely in the New York skyline, the sloped roof of 601 Lexington catches the eye. Not nearly as elegant as the Chrysler Building, or as impressive in height as either the Empire State or the Bank of America, the skyscraper still manages to impose as the tenth tallest building in New York City, and the sixth tallest in Midtown. (Note: 1 WTC, 4 WTC, and the midtown One57 are still in construction but have each passed 601 Lex in height.) Also known as the Citigroup Center, this 59-storey, 915-foot building contains over 1.3 million-square-feet of office space.