NBC Tower at 454 North Columbus Drive in Chicago, Illinois on September 24, 2025. Completed in 1989, the 37-story building reaches a height of 627 feet. The tower is in the Art Deco style and bears a marked similarity to 30 Rockefeller Plaza in New York City, which is NBC's global headquarters. The tower is further enhanced by the use of limestone piers and recessed tinted glass with granite spandrels.