Ryan Bergara (a believer in the supernatural) and Shane Madej (a skeptic) travel to alleged haunted locations to investigate paranormal activity.
In the series finale of BuzzFeed Unsolved: Supernatural, Ryan and Shane return to the place where their journey started to face the demon called Sallie once and for all.
What ghosts wander the halls of this grand castle?
Do the spirits of American historical figures roam in this New York mansion?
Do the lost spirits of this historic battle remain in this inn?
Does this rural Iowan home hold the spirits of its tragic history?
Is a demonic entity really trapped in this haunted home?