Kakadu National Park - Close to Darwin. One of the most beautiful National Parks in Australia with plenty of wild life and variety of native plants. One of the most beautiful National Parks in Australia with lots of wildlife and variety of native plants. The only negative point, is that it is so popular, that is Difficult to walk alone in the park without finding other tourists. The only negative point, is that it is extremely popular, difficult to walk alone in the park without finding any other tourist.