The Tribune Tower is a neo-Gothic structure located at 435 North Michigan Avenue in Chicago, Illinois, United States. It is the home of the Chicago Tribune, Tribune Media, and tronc, Inc., formerly known as Tribune Publishing. WGN Radio (720 kHz) broadcasts from the building, while the ground level houses the large restaurant Howells & Hood (named for the building's architects), whose patio overlooks nearby Pioneer Court and Michigan Avenue. CNN's Chicago bureau is located in the building. It is listed as a Chicago Landmark and is a contributing property to the Michigan–Wacker Historic District. The original Tribune Tower was built in 1868, but was destroyed in the Great Chicago Fire in 1871.Design competitionIn 1922 the Chicago Tribune hosted an international interior and exterior design competition for its new headquarters to mark its 75th anniversary, and offered $100,000 in prize money with a $50,000 1st prize for "the most beautiful and distinctive office building in the world". The competition worked brilliantly for months as a publicity stunt, and the resulting entries still reveal a unique turning point in American architectural history. More than 260 entries were received.