Chernobyl is a place known around the world. The meltdown at the Chernobyl power plant in 1986 made front-page news, and until Japan's Fukushima disaster of 2011, was considered the world's worst nuclear accident. With North Korea's recent threats of a nuclear strike aimed at South Korea, Japan and the United States, the geography of Chernobyl's impacts and the lessons learned are worth repeating to each generation.