77 West Wacker Building

77 West Wacker Drive, also known as the R. R. Donnelley Center, is a striking skyscraper in Chicago on Lake Michigan. Standing 204 meters (669 feet) tall with 49 floors, most of them office space, the building was completed in 1992 and shapes the city's skyline. Its unusual rooftop design makes it a visual highlight. Prominent tenants include companies such as Microsoft and United Airlines. The building, which has more than 25 elevators, also became well known through its role in the 1998 film "The Negotiator." The OneEleven skyscraper stands directly next to it, underscoring how densely built up this central location is.