Hotel Retlaw in Fond du Lac, WI, is reportedly haunted by various phenomena, including the spirit of its founder, Walter Schroeder, who is said to linger on the sixth and seventh floors. Visitors and staff have reported unexplained events such as TVs turning on and off, lights flickering, objects falling, and hearing voices, screaming, and sounds of furniture moving. Room 717, in particular, is known for experiences like TV noises, screams, and the room door shaking, while other reports include cigar smoke in the elevator and objects being pulled from carts. Guests and staff have reported seeing a female's spirit on the seventh floor and on the bed in Room 717. Sounds of screaming, disembodied voices, and the scraping or moving of furniture have been heard. Lights flicker, TVs turn on and off by themselves, objects fall from carts, and the faucets have been seen turning on without cause. Ice cubes have been seen flying across the halls, and cigar smoke has been reported in the elevator. Room 717 is frequently mentioned for unexplained noises and the door shaking as if being kicked from the inside. The paranormal occurrences are largely attributed to the founder of the hotel, Walter Schroeder. The sixth and seventh floors of the hotel are considered particularly active with paranormal phenomena.