Family friendly hands-on event brings 1840’s Mexican California to life inside & outside the two-story adobe walls of General Vallejo’s rancho headquarters. Admission includes all activities. $2–$3. Ages 5 and under: free. 10 a.m.–4 p.m. Petaluma Adobe State Historic Park. 3325 Adobe Rd. Petaluma. tinyurl.com/3h39h5xe.