Grove Mansion
Grove Mansion, also known as the Green, earlier Townsend, Residence is an historic, American home that is located in Maytown in East Donegal Township, Lancaster County, Pennsylvania. It was listed on the National Register of Historic Places in 1983. History and architectural features
Built between 1882 and 1887, this historic structure is a three-story, three-bay by four-bay, brick dwelling that was designed in the Second Empire style. It features a "bell cast" mansard roof with patterned red and gray slate. Also located on the property are a contributing pony house and carriage house, both topped with elaborate cupolas. It was listed on the National Register of Historic Places in 1983. References 

Houses on the National Register of Historic Places in Pennsylvania
Second Empire architecture in Pennsylvania
Houses completed in 1887
Houses in Lancaster County, Pennsylvania
National Register of Historic Places in Lancaster County, Pennsylvania