Spend a day at Barcelona Zoo with your entrance ticket. Located in the heart of the ¡°green lung¡± of Barcelona Parc de la Ciutadella Spain¡¯s top zoo is home to more than 4,000 wild animals in spacious, leafy enclosures. See dolphins, lions, monkeys and more, and learn about Snowflake, the much-loved, rare white gorilla who once lived in this beautiful zoo.