![Why Samseonam Rocks [National Geopark] (삼선암 (울릉도, 독도 국가지질공원)) Surprised Me More Than I Expected](https://travelkorea.co.kr/wp-content/uploads/2026/03/tourist-spot-20260322-110026-1be2.webp)
Visiting Samseonam Rocks reveals stunning geological formations accompanied by local legends. Best enjoyed during sunrise or sunset.
national geopark
Manjanggul Lava Tube [National Geopark] (만장굴 (제주도 국가지질공원)) Visitor Guide with Practical Tips
![Manjanggul Lava Tube [National Geopark] (만장굴 (제주도 국가지질공원)) Visitor Guide with Practical Tips](https://travelkorea.co.kr/wp-content/uploads/2026/02/tourist-spot-20260224-020045-4920.webp)
Discover the geological wonders of Manjanggul Lava Tube on Jeju Island—an impressive natural formation that offers insights into volcanic activity.