Head to the Sundarbans and spend some time amid wilderness and close to Mother Nature. The mangrove forests of Sunderbans (among the largest in the world) aren't just home to the Royal Bengal Tiger and crocodiles. They also provide shelter to an incredible variety of birds that you can spot while navigating the many rivers and channels. Stay at the eco-friendly Earth Villa on Bali Island from where you can hire trained guides for walks and national park tours.