The Healdsburg Museum is 2 blks. e. of the downtown plaza at 221 Matheson St. Housed in the former Carnegie Library, the landmark museum collects, protects, preserves and presents artifacts, documents and photographs that trace the history of Healdsburg and the surrounding area. Items displayed include 19th-century weapons, tools, textiles and crafts along with Pomo Indian basketry and other artifacts. Rotating exhibits also are featured.