The Polson Museum in Hoquiam, WA, is rumored to be haunted, with reports suggesting a child's ghost is said to reside in the nursery section of the museum. While this is the extent of the detailed claims regarding the Polson Museum, the source notes that many museums in Washington are believed to be haunted, particularly those located on historic grounds. Summary of Polson Museum's Haunting Claims: The claims are specific to the Polson Museum in Hoquiam, Washington. The most commonly reported spirit is said to be a child's ghost. The alleged haunting is said to occur in the museum's nursery.