Zoos are more than just places for public enjoyment; they are critical hubs for conservation science. As biodiversity faces unprecedented threats, zoos play a pivotal role in preserving endangered species. Through research, breeding programs, and educational initiatives, they provide vital support to global conservation efforts. By setting the stage for innovation and collaboration, zoos help maintain the delicate balance of ecosystems worldwide. This article highlights ten zoos leading the charge in conservation science, showcasing their groundbreaking work to protect our planet’s most vulnerable inhabitants.