I was lucky enough to travel to South Korea on a fellowship program in 2008. While I became enamoured with South Korea then, I still lament that I was rarely allowed free time to absorb everything. My visit it Seokguram Grotto was a rare moment during that trip in which I was able to make a choice about my trip. The Grotto is within a national park at the top of a mountain. You can drive there (or ride in the fellowship provided bus) or hike a four kilometer trail to the Grotto. I chose the trail.