Onsen are baths filled with geothermally heated, mineral-rich water. They’ve long been part of Japanese culture, but foreign travelers often struggle with the nudity aspect. - Boaz Rottem/Alamy Stock ...

(CNN) — It was a cold February day in northern Japan, snow piled high outside the onsen locker room windows as I slipped out of my clothes. Nervously, I stepped into the plumes of steam wafting from ...