Nick and Katrina submerge themselves among the spirits of West Virginia's Old Sweet Springs Resort. What lurks beneath the surface at this once-idyllic retreat?

Recent renovations stir up ghostly activity at upstate New York's Wildwood Sanitarium, so Nick Groff and Katrina Weidman spend several hours confined to the property attempting to determine what menacing spirits have made the home uninhabitable.

An unknown spirit lurks in the empty hallways of Ohio's Higginsport School. Nick Groff and Katrina Weidman have 72 hours to determine if this is evidence of a darker haunting, caused by recent deaths on the property.

Renowned Paranormal Investigators spend 72 hours locked down in haunted locations to try to capture groundbreaking evidence.

Renowned Paranormal Investigators spend 72 hours locked down in haunted locations to try to capture groundbreaking evidence.

Renowned Paranormal Investigators spend 72 hours locked down in haunted locations to try to capture groundbreaking evidence.

Renowned Paranormal Investigators spend 72 hours locked down in haunted locations to try to capture groundbreaking evidence.

Renowned Paranormal Investigators spend 72 hours locked down in haunted locations to try to capture groundbreaking evidence.

Renowned Paranormal Investigators spend 72 hours locked down in haunted locations to try to capture groundbreaking evidence.

Renowned Paranormal Investigators spend 72 hours locked down in haunted locations to try to capture groundbreaking evidence.