Cape Henlopen State Park is rumored to be haunted, particularly near the campground bicycle trail by Spotting Tower 12, where visitors have reported seeing a phantom soldier and hearing growls. These accounts contribute to the area's reputation for paranormal activity, though they are not official park claims, and instead stem from visitor experiences and paranormal research groups like Delaware Haunted Houses. A soldier's face has been captured on video near the tower. Visitors have heard growling sounds in the area. The park was a strategic site with coastal defenses during World War II, which can contribute to haunted lore. Local paranormal investigation groups conduct tours and research in the area to document encounters.