As kids, we often dreamed of visiting a land made of candy or other sugary substances. But for people living in Boston's North End in 1919, this fantasy became a terrifying reality, as a giant wave of molasses swept through the neighborhood, injuring some 150 people and claiming 21 lives as a result. Just what caused this industrial disaster? Who or what was at fault? And how was it that the North End smelled sickly-sweet for decades afterward? Tune in this week to find out.