If you've ever been in the North End of Boston on a hot day, you might have noticed the sweet smell of molasses. That’s because in January 1919, over 2 million gallons of the sticky liquid burst from a massive holding tank killing 21 people and injuring more than 150 others. Over 100 years later, the smell lingers. Or how about in 1914, when a beer tsunami killed several people in London? The wave was 15 feet high and contained enough beer to fill millions of pint glasses. And then there’s the burning river of whiskey that set fire to homes and businesses as it flowed through Dublin. Not all deadly floods are made of water! Learn more about your ad choices. Visit megaphone.fm/adchoices