One of The Strangest Places on Earth: The Chocolate Hills in The Philippines

The Chocolate Hills of Bohol are one of the strangest and most visually striking geological landscapes on Earth. Beneath their calm, symmetrical beauty lies the story of an ancient coral reef uplifted from the sea and sculpted into nearly two thousand perfect domes by millions of years of tropical rainfall, chemical weathering and karstification. This blog post explores the real science behind the Chocolate Hills, their Pliocene limestone origins, their hidden cave systems and underground rivers, and the delicate balance that keeps this rare tropical karst environment alive.