Monarch Festival The Cincinnati Zoo & Botanical Garden’s Monarch Festival will celebrate these most beautiful and beloved pollinators. A fun and educational event for the entire family. The Monarch Festival will shed light on the Zoo’s leadership and commitment to pollinator conservation in the region and all aspects of the Zoo’s Pollen Nation program and will include stations set up at Vine Street Village and a migration down to the Butterfly Garden. Butterfly costumes are encouraged for the fun event!