In Samoa, caving is made possible with the use of old lava tubes.The islands have many caves as well but maybe not as complex as the sytems in PI. Samoa caves are home to many native birds and bats. The more popular species are the native white rumped swiftlet birds hiding in the dark corner of the caves. Bird watchers usually go there and other thrill seekers of that kind. The caves you were talking about sound like kingdoms inside mountains. I hope to be able to see that place. Ill do some research or you can educate me. I am a seeker just like you. Our caves don't compare i guess. But they are also worth visiting.

There are really lots of caves in the Philippines but I have not yet visited any of it. I have seen pictures though, and I am always amazed at the rock formation. Its really awesome men. Everyone will definitely love it. They are like statue of some creatures, and some formed like rivers, ripples etc.