Home to the Washington County Historical Society, the LeMoyne House is "Pennsylvania's first National Historic Landmark of the Underground Railroad." Dedicated to Dr. Francis Julius LeMoyne's memory, the LeMoyne House is now a museum filled with period artifacts. It is open for guided tours year round, Tuesday through Friday, from 11:00 a.m. to 4:00 p.m., and on Saturdays for group tours (20 or more) by appointment only.