Holiday Lights and Sights Tour
Holiday Lights and Sights Tour. Sing-a-long caroling with elf conductors and see the festive holiday lights of Old Town, Embarcadero, Balboa Park and more. Today through Dec. 24 & 26–30. $25–$30; 3 & under free. Old Town Trolley Tours, 4010 Twiggs St. www.trolleytours.com