The abandoned Rio Grande Plaza Hotel in Laredo, TX, is rumored to be haunted by unexplained phenomena, most notably the faint strains of a phantom piano. While it is a known haunted site in the city, other specific details about the type of ghostly encounters are not as readily available as those for other local haunted locations like La Posada Hotel or Fort McIntosh. The primary reported phenomenon is the sound of a phantom piano being played. The hotel is known in Laredo for its general unexplained occurrences, though specific details beyond the piano are scarce. The Rio Grande Plaza Hotel is listed among several haunted locations in Laredo, Texas, according to US Ghost Adventures. It is an abandoned location, which often contributes to tales of unexplained activity.