The Mansion on the Hill in Ogallala, Nebraska, is an 1887 historic house, now a museum, where visitors have reported sightings of ghostly lights in the back rooms and the apparition of a man in the afternoon. The mansion, which was purchased by the Keith County Historical Society in 1966, is listed on the National Register of Historic Places and is open for public tours, providing insight into local history and featuring period furniture. Some visitors have claimed to see floating lights in the back rooms of the mansion at night. There are reports of a man's figure being seen walking around the building during the mid-afternoon. The 1887 mansion is on the National Register of Historic Places and is owned by the Keith County Historical Society. It serves as a museum, open to the public for tours from late May to early September.