Things to Do in Palawan, Philippines

Palawan stretches 425 kilometers in the Philippines' westernmost archipelago, containing 1,780 islands and limestone karsts forming dramatic seascapes. The Puerto Princesa Underground River flows 8.2 kilometers through a cave 255 meters wide, navigable by boat for 5.5 kilometers under massive vault ceilings. The island produces 70 percent of the nation's aquaculture catch.