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.

Nick and Katrina use high-tech equipment to face down the dark spirits in one of America's most notorious haunted hotspots - Bobby Mackey's Music World.

After Nick and Katrina found human bones in their first lockdown at the Monroe House, they thought the case was closed. Now they return to explore further.

Ghost hunters Nick Groff and Katrina Weidman visit Kentucky's Jim Beam Distillery, exploring employee claims that bourbon is not the only spirit locked inside its huge warehouse.

Nick and Katrina Weidman explore the Cambria County Jail in Pennsylvania, which once housed the area's worst criminals, staging executions in its early days.

Nick and Katrina spend 72 hours confined in one of the UK's most notorious haunted hotspots, Shepton Mallet Prison. They investigate the spirits locked inside.