It is an UNESCO World Heritage Site, covering 4264 square kms in India and the rest in Bangladesh. Mostly it is famous for the Royal Bengal Tiger which is its speciality but it also includes some rarities like the Masked Fin foot, Mangrove Pita and the Mangrove Whistler. Sundarban is a must trip for all nature lovers, forest lovers, wild animal enthusiasts, bird lovers and the gentle waves of the rivers take the beauty to another level. This trip will make you take some lifelong memories.