The Chicago and Northwestern Depot, also known as ITT-Holub Industries Warehouse, is a site on the National Register of Historic Places located in the DeKalb County, Illinois city of Sycamore. While the building is historically a rail station, it now functions as a warehouse and storage facility.[2] The old depot has been listed on the National Register since 1978.
http://en.wikipedia.org/wiki/Chicago_and_Northwestern_Depot