Lyon County Kentucky (Vacant / Not In Use)  has 2 places on the National Register of Historic Places including 1 place of National significance and 1 place of Statewide significance. Significant places include Kelly's Suwanee Furnace Office and Whalen Site (125-Ly-48). 
The famous person William Kelly is associated with one of more of the Lyon County historic places. Prominent architectural styles found in Lyon Country are .