Explore the sights, sounds, and flavors of the rainforest and learn about the treasures found in these vital, endangered ecosystems. You’ll sample coffee, cocoa, and treats made with tropical plants, learn about the ethnobotany, amazing bats, and lifesaving medicines of the rainforests, and enjoy hands-on children’s activities. $6 adults, $3 children, 10am-3pm, San Antonio Botanical Garden, 555 Funston, (210) 829-5100.