In Khao Sam Roi Yot National Park lies the Phraya Nakhon Cave, which shelters a gorgeous royal pavilion. Who wouldn’t want to visit that? The cave is actually two sinkholes that collapsed, creating a sunlit cavern. Roots dangle down from above and trees grow up from the bottom. The cave was first discovered about 200 years ago by its namesake, the Thai ruler Phraya Nakhon, who was forced ashore during a storm. The pavilion is a symbol of the Prachuap Khiri Khan province, and traditionally…