Each week, we spotlight a dream vacation recommended by some of the industry's top travel writers. This week's pick is a Japanese onsen. (Courtesy image) To visit Japan without experiencing an onsen is "the equivalent of going to Hawaii and not visiting a beach," said Hanya Yanagihara at Town & Country. Every evening, nearly every one of the country's 127 million citizens participate in the ritual of ofuro: a warm, soothing bath.