"The Qube", located at 611 Woodward Ave in downtown Detroit, is a 14-story, 204-foot high-rise office building constructed in 1959, known for its iconic marble lobby and 5,220 sq ft patio. Formerly known as the Chase Tower and National Bank of Detroit Building, it is currently owned by Dan Gilbert's Bedrock and is a landmark in the city's financial district at Campus Martius!

(Ref: https://historicdetroit.org/buildings/national-bank-of-detroit-building)