Palawan (Puerto Princesa)

Puerto Princesa Subterranean River National Park

- Puerto Princesa is a coastal city on Palawan Island in the western Philippines. It's a base for boat trips through the massive limestone caves and underground river of the biodiverse Puerto Princesa Subterranean River National Park. Dive sites are dotted around Puerto Princesa Bay, home to long-nosed dolphins, turtles and rays. Close to the port is the 19th-century Immaculate Concepcion Cathedral..

Kayagan Lake

 - Kayangan Lake, dubbed the 'cleanest lake in the Philippines', is surrounded by a karst scenery of limestone cliffs and guarded maintained by Tagbanua tribesmen. Kayangan Lake is 70% freshwater and 30% salt water. One may choose to swim or snorkel in the lake, or simply float around in a life jacket.