Muhlenberg County Kentucky (Vacant / Not In Use) has 3 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Airdrie Ironworks, Old Muhlenberg County Jail, Rice Tobacco Factory.
Some of the country's most noteable architects helped create the Muhlenberg County places including Alexander Hendrie. Prominent architectural styles found in Muhlenberg Country are Mission/Spanish Revival.