Happy 100th birthday to one of the strangest disasters in American history: Boston's Great Molasses Flood. For our season 5 premiere, we're looking at the weird and deadly 35 foot tall wall of syrup that destroyed Boston's North End a century ago, and what caused such an enormous--and enormously curious--thing to happen in the first place.

Learn more about your ad choices. Visit megaphone.fm/adchoices