Buffalo Grove Lime Kiln
 Buffalo Grove Lime Kiln is one of two old lime kilns in Illinois listed on the National Register of Historic Places. The other is the Griggsville Landing Lime Kiln in Pike County. Buffalo Grove Lime Kiln is located near the Ogle County city of Polo. When in use the kiln would have produced raw quicklime. The lime kiln was added to the National Register in 2002.