Greene County Illinois (Vacant / Not In Use) has 3 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Rainey, Henry T., Farm, Hotel Roodhouse, White Hall Foundry.
The famous person Henry T. Rainey is associated with one of more of the Greene County historic places. Prominent architectural styles found in Greene Country are Greek Revival, Italianate and Queen Anne.