One of the most fascinating places I got to visit in my time in South Korea was Gosu Cave, a huge limestone cave near Danyang.
It’s tens of millions of years old, having formed over time from limestone that was deposited during the Ordovician Period (around 450 million years ago).
This includes entry to Gosu Cave, permanent displays at the visitor centre, a locker to put your stuff in and an awesome pair of gloves!
Gosu Cave is a huge limestone cave near the town of Danyang in South Korea.