A Haunting, takes you inside real-life horror stories. The series originally aired on the Discovery Channel, and each eerie one-hour episode features eyewitness accounts and cinematic re-enactments of some of the most spine-tingling, ghostly hauntings ever recorded, filmed in the actual locations where these apparitions took place. They are all but guaranteed to spook even the most skeptical observer, but you can judge for yourself: are they imagined, or are they real?