Sellafield
Sellafield, formerly known as Windscale, is a large  nuclear site  on the coast of Cumbria, England.  Now it mostly does  nuclear waste processing and storage and nuclear decommissioning. It used to be a  nuclear power plant from 1956 to 2003, and nuclear fuel reprocessing from 1952 to 2022. It is a big place,  265 hectares (650 acres), and has more than 200 nuclear facilities and more than 1,000 buildings.