Sibley Mill in Augusta, Georgia, is a massive brick textile mill built in 1880 on the site of the Confederate Powder Works, which produced gunpowder for the Southern army during the Civil War. The Powder Works was the second-largest building in the Confederacy and employed hundreds of workers, many of whom were killed in explosions during its operation. When the mill was constructed over the ruins, workers reported uneasy feelings and unexplained phenomena from the beginning.
The building, which ceased textile operations in 2006, has since become one of Georgia's most investigated haunted locations. Ghost Adventures featured the mill in an episode that documented shadow figures moving through the empty factory floors, disembodied voices, and equipment that activated without power. Workers during the mill's operating years described seeing apparitions of men in Civil War-era clothing near the ruins of the powder works chimney, the only surviving structure from the Confederate facility. Some reported hearing distant explosions that seemed to come from beneath the building.
The combination of the mill's industrial decay, its connection to wartime death, and its isolated location along the Augusta Canal has made it a compelling destination for paranormal investigators.