Main Tower was created in 1999.
Main Place Tower was created in 1969.
Concord Tower was created in 2007.
Americas Tower was created in 1992.
Chautauqua Tower was created in 1891.
Tower Hill Water Tower was created in 1854.
The Tower of Druaga was created in 1984.
Bicentennial Tower was created in 1996.
The Broken Tower was created in 1930.
Tower Optical was created in 1932.
Dexia Tower was created in 2006.
Lurie Tower was created in 1996.
Tiffany Tower was created in 2009.