NIKKO, Tochigi Prefecture—For those who come to marvel at Kegon Falls here, one of "Japan's three great waterfalls," it is as if Mother Nature has turned off the faucet. Despite receiving ...

Image: Jessica Saabor ust west of central Nikko lies Oku Nikko, a relaxed town and scientific hub. A must-see here is the Kegon Falls Elevator, which takes visitors 100 meters down for a close-up view ...