Minneapolis built its first downtown grid atop the burial grounds of Dakota villages and the charred foundations of mills that claimed dozens of workers before 1900. The limestone warehouses lining Portland Avenue still carry soot stains from the 1893 fire that trapped eleven seamstresses on the fourth floor of the Syndicate Block; their names appear on no monument, but tour guides recite them every Saturday night. Ghost walks in Minneapolis trace the city's commercial rise through its forgotten casualties — the grain elevator collapse of 1878, the streetcar derailment of 1904, the boarding house murders that went unreported until a foundation excavation in 1952. The Minneapolis ghost walk route concentrates within a six-block radius of the Mississippi riverfront, where the milling district's prosperity depended on twelve-hour shifts and non-union labor. The Nicollet Island tunnel, sealed in 1962, once funneled workers beneath the channel at dawn and dusk; guides pause at its bricked entrance to recount the flood that drowned four men when a timber brace failed. The tour format — a ninety-minute evening walk departing at 7 PM on weekends — anchors each stop with archival photographs and coroner's reports rather than theatrical effects. Participants hear about the 1881 cholera outbreak that killed sixty residents in tenement flats above what is now a parking garage, and the 1920s speakeasy raid that ended in gunfire outside the Lumber Exchange Building. American Ghost Walks, the operator behind the Minneapolis route, launched the program in 2003 after a local historian compiled three decades of newspaper morgue files and city death records. The tour's reputation rests on its refusal to invent folklore; every story cited on the walk corresponds to a documented incident with named victims and surviving records. Guides carry laminated copies of coroner's inquest transcripts and nineteenth-century Sanborn fire insurance maps. The company restricts group size to twenty-four and offers no afternoon or weekday departures, preserving the after-dark atmosphere that aligns with the subject matter. Minneapolis ghost walk tours meet at 102 Portland Ave S, the address of the former Third Precinct station where the city's earliest homicide files were stored until the building converted to office space in 1987.