As an island nation with a civilisation spanning thousands of years, Indonesia holds a wealth of mysterious relics of the Archipelago. From Sabang to Merauke, every region has its own story—whether it’s the unresolved legends of the Archipelago, unexplained phenomena in Indonesia, or mysterious cases in Indonesia in modern times. We will present them not merely as folklore but with analysis based on the latest research, including archaeological data and documented testimonies. This way, we can be more critical in distinguishing between myths and facts of the Archipelago while appreciating the complexity of the nation’s history.

Gunung Padang Megalithic Site: A Prehistoric Civilisation Puzzle That Shakes the World

As one of the most controversial archaeological mysteries of the Archipelago, Gunung Padang in Cianjur is more than just a pile of stones. Georadar and core drilling studies reveal layered structures estimated to be 10,000–20,000 years old—much older than the Pyramids of Giza. The main historical puzzle of Indonesia here is: Who built it, and how did Ice Age technology manage to create a 25-hectare complex on a hilltop? Archaeologists are divided; some believe it’s evidence of a lost advanced civilisation, while others doubt the dating methodology. The site’s complexity is evident from the neatly arranged hexagonal andesite basalt columns—a type of rock found only on distant volcanic slopes. This greatest unsolved mystery of the Archipelago is reinforced by the discovery of large empty chambers 15–25 metres deep using ground-penetrating radar. Are these worship rooms, royal tombs, or something even more spectacular? The government continues limited excavations, but budget challenges and scientific debates hinder significant progress. …