6 things to do in San Diego this weekend

San Diego has a variety of events happening this weekend, from the opening of Elephant Valley at the San Diego Zoo Safari Park to the 97th Annual Rummage Sale at Balboa Park, as well as the Farm-to-Table Brunch at Coastal Roots Farm, the San Diego Festival of Science & Engineering, and the Baja Birria Pocket Burrito at City Tacos.