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.

Does a demonic entity actually reside near Alton Bridge?

See why this Sanatorium is one of the most haunted places in the world.

Does this prison still hold the spirits of its former inmates?

Season finale. Ryan and Shane make their first haunted house call.

Season finale. Ryan gets what he deems his best video evidence of a ghost in what he claims is the most haunted prison in South Carolina.

Does this otherworldly creature stalk the West Virginia wilderness?

What horrors lurk in this historic prison?

Is a demonic entity really trapped in this haunted home?

Can ghosts and demons harm the living?

What happens when we stay the night on a real-life ghost ship?

We investigated the house of a hundred-year-old murder mystery.

What spirits lurk in this infamous New Orleans hotel?

Season finale. Ryan and Shane visit The Warrens' Occult Museum in Monroe, Connecticut to see the ostensibly haunted Annabelle doll and challenge it to perform.

What lingering spirits remain in America's oldest city?

What ghosts wander the halls of this grand castle?

We tackle the oldest mystery in US history.

We investigate our first haunted castle!

We dance with the dead in this infamous haunted hospital.

Lights in the sky. Extraterrestrials, or something even stranger? Featuring alien expert Giorgio Tsoukalos, host of History Channel’s “Ancient Aliens.”

Ryan and Shane return to the scene of one of their earliest investigations.

Ryan and Shane travel to the O.K. Corrral in search of gunslinging ghouls.

Do the dead still walk the corridors of this infamous asylum?

Season finale. What lurks beneath the streets of London?

This infamous club on Sunset Boulevard has been home to countless famous faces in its nearly 80 years in operation—could some of those faces still be haunting the halls and hiding secrets that may lie beneath?