Untold numbers of citizens in Russia still are living with the aftermath of radiation poisoning, various cancers. There are orphanages where children live because their parents have died from cancer related to the radiation poisoning of this disaster.
Pripyat, Ukraine. The entire city was abandoned back in 1986 cause of a neculare problem. So all the buildings are still standing, everything was just left. I want to go here some day. Poputation before accident was 50,000