Von Stiehl Winery in Algoma, Wisconsin represents a convergence of agricultural history, Wisconsin's wine traditions, Civil War-era architecture, and paranormal phenomena associated with former proprietors whose presences apparently persist. The building was constructed in 1868, during the American Civil War's immediate aftermath, when Wisconsin's economy was transitioning from agricultural settlement to industrial development. The structure reflected Wisconsin's economic circumstances as a commercial or residential building and is listed on the National Register of Historic Places. The transformation of this 1868 building into Wisconsin's oldest licensed winery occurred in 1967, nearly a century after construction. The winery operation repurposed the historic building for wine production, fermentation, bottling, and storage, activities requiring specific structural conditions—temperature stability, humidity control, security, and storage space. The conversion created a productive use honoring the building's historical identity while adapting it to contemporary commercial purposes. The winery's operations involved proprietors, employees, visitors, and human activities associated with wine production. Wine making—grape juice fermentation, sugar-to-alcohol transformation, and complex sensory engagement with botanical and microbial processes—creates an environment of particular sensory intensity. The accumulation of wine, aging in barrels and bottles, creates conditions conducive to paranormal phenomena. Paranormal researchers theorize that locations involving agricultural, fermentation, or botanical processes may be particularly active paranormally. Von Stiehl Winery's paranormal phenomena center upon manifestations attributed to former building owners, with apparitions, disembodied voices, and other phenomena suggesting continued presence of individuals spiritually attached. Apparitions have been reported in the bottling room, where significant human activity occurs during production cycles. Figures observed suggest either residual hauntings imprinting habitual work activities, or conscious spiritual presences deliberately manifesting in areas associated with their living labor. Object movement phenomena have been documented, with wine bottles displaced from shelving, furniture moved by no identified physical agent, and various physical phenomena suggesting external forces without visible human cause. Objects moving within wine production facilities, particularly affecting wine stock, create a paranormal manifestation category—entities apparently engaging with commercial products and production systems, suggesting ongoing psychic connection to wine production work. Disembodied footsteps and unexplained knockings have been reported with sounds consistent with movement. Unexplained footsteps and knockings are commonly associated with residual hauntings, where habitual sounds become imprinted upon a location and replay repeatedly, independent of conscious spiritual agency. However, the footsteps' distinctiveness—their correlation with actual work activity areas and apparent responsiveness to environmental changes—suggests more conscious manifestation to some researchers, with former proprietors continuing engagement with the business they established. Paranormal investigations at Von Stiehl have documented phenomena using standard investigative equipment. Reports indicate investigators captured audio and electromagnetic evidence correlating with witness accounts. The consistency of phenomena across extended time periods and among independent witnesses contributes to the location's credibility within paranormal research circles. Von Stiehl Winery has integrated its paranormal reputation into its commercial and cultural identity, acknowledging the hauntings while maintaining focus on wine production and sales. The location attracts paranormal enthusiasts alongside visitors interested in Wisconsin wine and agricultural tourism. The intersection of Civil War-era architecture, nineteenth-century building history, twentieth-century commercial repurposing, paranormal phenomena, and continued wine production creates a complex site where multiple temporal layers remain active and engaged.