Take an excursion back through time with Geologist Christopher DiLeonardo, Ph.D., to examine California’s geologic past. Climb through the remnants of an ancient volcanic landscape, while Condors soar overhead. Examine the evidence for earthquakes, long forgotten. Look for clues to the past written in stone and hidden with caves of this scenic wilderness. Learn the origin of the shaped rock spires from which the Pinnacles National Monument derives its name. Follow the past into the future while tracing the active Calaveras fault neighborhoods and parks in downtown Hollister.Participants should wear comfortable clothing and footwear and be prepared for some hiking in the morning and in the early afternoon. Lunch included. Ticket: $80