Opened in 1893 on South Michigan Avenue, the Congress Plaza is one of Chicago’s most infamous haunted hotels, with a real-world anchor tragedy: Captain Louis Ostheim’s 1900 suicide while staying there—still one of the core stories cited in credible local coverage. The most-requested hotspot is Room 441, where the “woman in black” legend persists (including reports of guests being kicked awake), alongside the hotel’s long-running “Peg Leg Johnny” tale of a one-legged figure messing with lights and doors in the halls