The Museum of Sonoma County is turning into a Post Office! On May 10th the Museum will return to it’s historic roots and function as an official Post Office, the Santa Rosa Post Office will be at the Museum ready to accept your mail! There will also be official postal trucks and vehicles in the parking lot for kids (and adults) to explore. Visitors are welcome to bring their pre-postaged items or you can purchase a stamp and create a letter to send onsite.