Inside the ‘Dragon Cave’: Ryusendo (龍泉洞) of Iwaizumi, Iwate

Not too long ago, Honey and I ventured eastward to the town of Iwaizumi (岩泉町), where one of Japan's Three Great Limestone Caves lies in wait. Ryusendo (龍泉洞, Dragon Spring Cave), as told to us by word-of-mouth, is a must-see national monument with its striking underground lakes and 3000 meters of uncovered stretches. We decided to …