Jefferson County Jail - Credit: Wikimedia Commons
The Jefferson County Jail is a historic structure in central Louisville, Kentucky, United States. Built in 1905 in the Chicago style of architecture, it was designed by D.X. Murphy & Bros. It comprises two wings: the western, built as cell blocks, and the eastern, which originally housed offices. A system of corridors was used to separate male and female prisoners and black and white prisoners.Langsam, Walter E. National Register of Historic Places Inventory/Nomination: Jefferson County Jail. National Park Service, 1973-06-01. Read more on Wikipedia
Source: en.wikipedia.org