FREE. 60+ trees decorated by local businesses, nonprofits, and families! Trees auctioned to benefit charity. Enjoy live entertainment, vendors, raffles, silent auctions, and a visit from Santa! Dec. 13: 6–9 p.m. Dec. 14: 1–9 p.m. Hall of the Above. 199 Petaluma Blvd. N., Petaluma. tinyurl.com/ptax5m6h.