What are some of your heat-related engine failure horror stories?

I came across this article from ForConstructionPros.com on maintaining engine lubricating oil. According to the article, up to 50 % of engine oil lubricated failures are caused by improper cooling system maintenance or are related to cooling system problems. That’s a lot of failures! What are some of your heat-related engine failure horror stories? http://www.forconstructionpros.com/article/11612046/optimize-oil-change-intervals