2 discoveries
Board a bright-orange icebreaker and crunch out into the frozen Sea of Okhotsk, where for a few weeks each winter the ocean itself turns into a shifting white plain of pack ice.
Yamagata's only inhabited offshore island, a tiny green dot an hour by ferry from Sakata — clear blue water, seabird colonies, fresh-grilled fish, and a slow, salt-air pace that feels a world away from the mainland summer.