The Kimball Towers Condominiums is a historic former hotel, located in Springfield, Massachusetts, at 140 Chestnut Street, in Metro Center's Apremont Triangle Historic District. Designed by architect Albert Winslow Cobb in 1910 and constructed in the Renaissance Revival style, The Hotel Kimball is famous as the site of the United States' first-ever commercial radio station, Westinghouse's WBZ, and also for hosting celebrated guests, including many U.S. Presidents, dignitaries, and film stars. The Kimball is located in the Apremont Triangle Historic District, with its main entrance on Chestnut Street, between Bridge and Hillman Streets. Since 1983, the Kimball has been protected by the Apremont Triangle Historic District, which is on the National Register of Historic Places.