National Register of Historic Places listings in Greene County, Pennsylvania  This is a list of the National Register of Historic Places listings in Greene County, Pennsylvania. This is intended to be a complete list of the properties and districts on National Register of Historic Places in Greene County, Pennsylvania, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a map. There are 44 properties and districts listed on the National Register in the county, including one National Historic Landmark. One property was once listed, but has since been removed.