The nuclear meltdown of Three Mile Island in Pennsylvania (1979) and the deadly hydroelectric turbine tragedy at the Sayano-Shushenskaya Dam in Russia (2009) were power plant disasters of an unprecedented scale; experts examine the aftermath of these fatal catastrophes and explore their lasting consequences.

Haiti's 2010 earthquake (magnitude 7.0) was one of the world's most deadly natural disasters that left much of the island nation in ruins; experts investigate and reveal how a lack of construction safety measures resulted in such catastrophic destruction. Also covered is the 2019 collapse of the Hard Rock Hotel being built in New Orleans, Louisiana.