The Zoo Aquarium de Madrid is a zoo and also an aquarium situated in Madrid in Spain. It is situated in the Casa de Campo. It is open since 1770 as the ‘Casa de Fieras’ and had exhibits of animals form the American colonies. The new facility of the zoo aquarium was constructed in 1972 and is situated in the Casa de Campo. At present, it has exhibits which include the zoo, an aquarium, a petting zoo, an aviary and also a dolphin exhibit. There are also provision of other facilities like many restaurants, a train and a boat tour. This zoo aquarium is home to over 6,000 animals of 500 different species.