1. BALBOA PARK Jungle Bells at the San Diego Zoo. Celebration of Lights and Carol of the Jungle Bells light experiences, Twinkle Light Trolley and live entertainment. Dec. 10-Jan. 2, 9 am-8 pm (til 5 pm Dec. 24). 619-231-1515. www.sandiegozoo.org 2. BANKERS HILL Luminaria: Trees, lamp posts, roofs and courtyards all decorated with lights. Along 30th St. and Fern St. from Juniper to Grape to Beech.