|Plantasia - Parc Tawe Centre, Swansea
Futuristic indoor garden of Eden, a glass pyramid with climatically controlled regions including rainforest, desert and arid environments. Plantasia contains 5000 tropical and exotic plant species, some of which are extinct in the wild. Attractions include an indoor waterfall, butterfly house, aviary, cotton top Tamarin Monkeys, fish and reptile collections.
More info here.