I Visited Bengdwigul Cave [UNESCO World Natural Heritage Site] (제주 선흘리 벵뒤굴 [유네스코 세계자연유산]) and Here Is What I Found 2026년 02월 15일 by travelkorea Bengdwigul Cave showcases complex lava tube formations that reveal volcanic history. It’s an essential stop in Jeju for nature lovers and geology enthusiasts alike. Read more