There are few museums in the western half of the United States that provide an opportunity to educate the public about the history of mental health care. Recently, a mental health museum and archive of artifacts, photographs, and documents was established on the grounds of Patton State Hospital in Highland, California. The purpose of this paper is to reflect on the establishment of this museum and archive and to provide an account of the 125 year history of Patton State Hospital. Understanding the history of Patton provides an opportunity to understand the history of mental health care in the United States from the late 19th century to the present. The establishment of this museum and archive became a joint initiative between Patton and Cal...