The Spencer Dam, an aging embankment dam on the Niobrara River near Lynch, Nebraska, is overcome by flooding after a devastating bomb cyclone hit the area on March 14, 2019. An investigation reveals that massive chunks of ice unleashed by the superstorm played a critical role in the overtopping and failure of the old structure.

Twenty people are killed in Fremont, Nebraska, when the Pathfinder Hotel explodes on the cold Saturday morning of January 10, 1976. An investigation into the tragic gas leak leads underground to where gas lines supply this iconic building in America's heartland.