Start your day by visiting the Kuala Lumpur Bird Park, the world's largest free-flight walk-in aviary. Then, head to the Kuala Lumpur Butterfly Park, a beautiful park with over 6,000 butterflies. After that, visit the Aquaria KLCC, an oceanarium with over 5,000 exhibits of marine and freshwater creatures. End your day by visiting the KL Forest Eco Park, a lush forest reserve in the heart of the city.