Experience a taste of life on a 19th-century estate when you visit this National Historic Landmark. Once a working farm, the house and surrounding grounds are now open seasonally for guided tours. Built in 1839, the elegant Greek Revival house was the center of a busy and productive farm by mid-century. Much of the tour focuses on the Swan family, in residence from 1850-1890. Through family letters, photographs, and diaries, explore the family's joys and sorrows and their interactions with neighbors and the many workers required to keep the large house and farm in working order. Trained as a merchant, discover how Robert Swan combined business methods of organization with scientific innovations like drain tile to make his farm more productive and profitable. See twenty rooms restored and furnished in the Empire style, popular from the 1820s to 1850s. Enjoy the magnificent view of Seneca Lake from the front porch and the vista of nearby farmlands. Rose Hill Mansion Gift Shop features a selection of locally produced food products, historically themed gifts and hand crafted items. Open seasonally. A Path Through History attraction.