The Most Radioactive Places in the World Chernobyl, Ukraine, remains one of the most radioactive places on Earth decades after the disaster. True False None The Fukushima Daiichi nuclear plant in Japan caused no long-term radioactive contamination. True False None The town of Pripyat was built after the Chernobyl disaster as a relocation site. True False None There’s a natural nuclear reactor that operated over 2 billion years ago in Africa. True False None The Bikini Atoll (a U.S. nuclear test site) is still safe for permanent human habitation today. True False None Time's up Most Popular Most Popular