Kalamazoo State Hospital Water Tower was created in 1859.
O'Quinn Medical Tower at St. Luke's Hospital was created in 1990.
State Bank Tower was created in 1995.
State Tower Building was created in 1928.
Rhodes State Office Tower was created in 1974.
Tower Hill State Park was created in 1922.
Vern Riffe State Office Tower was created in 1988.
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.