Aniva Rock Lighthouse, Japan

Originally built for use in the 1930’s by Japan, it was later seized by Russians and used during World War II, powered by nuclear power. During the 1990’s and the fall of communism, the lighthouse became vacant and has since been abandoned.

More on https://mentalitch.com/spooky-russian-places-aniva-rock-lighthouse-sakhalinskaya-oblast/
or https://www.rbth.com/travel/334968-abandoned-aniva-lighthouse-nakashiretoko