If you are up for some adventures, the Arignar Anna Zoological Park is certainly one of the Chennai famous places you should explore. Here, you will find more than 81 enclosures housing 171 different species, including 475 mammals, 1754 birds, and 415 reptiles throughout. It was constructed in 1855, and hence often known as the first public zoo in India. While you are here at the zoological park, get ready for a safari to explore the lions and other larger mammals in their natural habitats. Also, here you can find the famous Nilgiri deer, which can only be found in Mudumalai in the entire southern India. Explore the sanctuaries that have been specifically constructed to imitate the natural habitats of various avian species, including the Point Calimere Aviary representing the bird sanctuary on the Coromandel Coast. Furthermore, you will find a butterfly house, a serpentarium having 41 pythons and four cobras, a Crocodile enclosure with 220 reptiles from the family, a primate house, and an aquarium with 31 fresh-water fishes.