Nari Basin (나리분지) on Ulleungdo Island showcases stunning volcanic landscapes ideal for morning tranquility or evening sunsets. Explore at your own pace.
volcanic landscape
What Surprised Me Most About Gimnyeongsagul Cave [UNESCO World Heritage] (김녕사굴 [유네스코 세계자연유산])
![What Surprised Me Most About Gimnyeongsagul Cave [UNESCO World Heritage] (김녕사굴 [유네스코 세계자연유산])](https://travelkorea.co.kr/wp-content/uploads/2026/02/tourist-spot-20260215-091936-3fa5.webp)
Exploring Gimnyeongsagul Cave reveals Jeju Island's volcanic heritage through fascinating lava formations. This UNESCO World Heritage site offers an enriching experience for travelers.