As they say only in the darkness you can see the stars, well inside the darkness of the subterranean river in Puerto Princesa we saw tons of bats and some kickass rock formations. This was undoubtedly a journey to the centre of the Earth kind of an experience. The cave is super huge, the biggest I have ever seen in my life and the best thing about this cave is you don’t have to walk even a step, one of the worlds longest underground rivers help you sail across in peace. Underground river entrance What took millions of years to form takes a couple of hours to see. The rock formations in the cave are so real, it seemed like someone has actually taken efforts to make this happen. The entire experience is crafted really well by the tourism authority of Palawan. They have balanced the herds of tourists at a reasonable price and help boost the livelihood for the locals in a very nice manner. Why plan your own tour? The do it yourself (DIY) methodology works perfect for this t