Sharon Day, author of "Ghost Hunting Theories" blog shares the unsettling accounts of her and her family's experiences at the 250-year-old house they called home in Northern Virginia. The actively haunted estate had been used as a field hospital during the Civil War and left a lingering residue of haunting activity, apparitions, voices, object movement, and more. To the author, growing up there since she was a baby, the phenomena seemed quite normal and natural. It honed her desire to understand how and why hauntings occur and led her as an adult into the field of paranormal investigation