Wanderlust World Wanderlust World Spanning 36 acres (15 hectares) in the heart of Regent's Park, London Zoo is the world's oldest scientific zoo, opened in 1828. Today, it houses over 20,000 animals representing around 600 species, from critically endangered Sumatran tigers to tiny leafcutter ants. The zoo's compact size belies its global impact: it participates in over 150 breeding programs and leads cutting-edge research in wildlife health, conservation genetics, and animal behavior. Visitors can explore immersive exhibits like Land of the Lions, Gorilla Kingdom, and the new Coral Reef Lab, all designed to inspire a lifelong connection to nature.