Join volunteer docents for the unique opportunity to climb to the top of Mendocino’s historic lighthouse. $10 per adult, $5 per child (under 18; must be over 42” tall). Tours last between 15 and 30 minutes. 11 a.m.–2 p.m. Also Sunday, May 4. Point Cabrillo Light Station State Historic Park. 45300 Lighthouse Rd., Mendocino. pointcabrillo.org/visit/events.