Jeju Island UNESCO Global Geopark

UNESCO Global Geopark, inscribed 2015, in South Korea. Explore Manjanggul Cave, one of the longest lava tubes in the world. Stretching over 7 kilometres, it was formed by lava flows from Hallasan, the island’s largest volcano. Visit Seongeup Folk Village to see traditional thatched-roof houses, stone walls, and cultural artefacts that reflect Jeju’s heritage.