Ghost stories at Mount Marty University in Yankton, South Dakota, primarily involve the residence halls Whitby and Corbey, according to reports from Haunted History Tours. A "Lady in White": Whitby Hall, a former nursing students' residence, is believed to be haunted by a ghost known as the "Lady in White." She is said to be the spirit of a heartbroken student. Stories describe a presence that would follow and watch students, and a figure has been seen standing in the windows of the hall. The spirit of a nun: Corbey Hall is rumored to be haunted by the spirit of a nun who died by suicide within its walls.Residents have reported seeing her spirit roaming the halls.