2026-12-04 Holiday Wonderland at Petco Park Holiday Wonderland at Petco Park Fri, December 4 - Wed, December 23 Holiday Wonderland at Petco Park Holiday Wonderland is returning to Gallagher Square at Petco Park for select dates December 4–23! Get ready for one of San Diego’s most festive holiday experiences, returning this year bigger and more magical than ever. Step into a winter wonderland filled with dazzling holiday lights, nightly snowfall, and a beautifully decorated 40-foot Christmas tree. Admission […]