Chernobyl, Ukraine: Site of the 1986 nuclear disaster, the Chernobyl Exclusion Zone remains highly radioactive.
Fukushima, Japan: Following the 2011 tsunami and nuclear disaster, the area around the Fukushima Daiichi Nuclear Power Plant remains highly radioactive, with ongoing cleanup efforts and restricted zones.
Hanford Site, Washington, USA: A decommissioned nuclear production complex, Hanford was part of the Manhattan Project.
Mayak, Russia: The site of a major nuclear accident in 1957, the Mayak Production Association has been a significant source of radioactive contamination, impacting nearby areas, including Lake Karachay.
Sellafield, England: A nuclear fuel reprocessing and decommissioning site, Sellafield has a long history of radioactive leaks and accidents, contributing to significant environmental contamination.
Semipalatinsk Test Site, Kazakhstan: Also known as "The Polygon," this site was used for Soviet nuclear testing, resulting in extensive radioactive contamination and health impacts on local populations.
Bikini Atoll, Marshall Islands: The site of numerous US nuclear tests during the 1940s and 1950s, Bikini Atoll remains highly radioactive, and its inhabitants were relocated due to contamination.