Explore four private gardens in Berkeley and Oakland, open for self-guided tours to benefit the Garden Conservancy. Highlights include a wealth of garden art, hardscaping of reclaimed materials, panoramic views of San Francisco Bay, and multiple water features. No reservations required; rain or shine. Begin at the Nichols’ Garden or see website for additional locations. For More Information: See www.opendaysprogram.org or call The Garden Conservancy toll-free weekdays, 9 a.m. to 5 p.m. EST, 1-888-842-2442.