In 2011, residents of Windsor, Ontario started experiencing a strange rumbling hum that rattled dishes and kept people awake at night. Then, after years of getting nowhere, the mystery of the Windsor Hum was finally solved... Or was it? This is a totally remixed, revoiced, and updated version of one of our oldest and most popular episodes. Featuring documentary filmmaker Adam Makarenko.

Follow Dallas on Instagram, TikTok and LinkedIn.Watch our video shorts on YouTube, and join the discussion on Reddit and Facebook.Become a monthly contributor at 20k.org/donate.If you know what this week's mystery sound is, tell us at mystery.20k.org.Hiring? Sign up at Indeed.com/Hertz and get a $75 credit to sponsor your first job post for better visibility, more applications, and quicker hiring times.Visit monday.com/podcast for your free two-week trial.Get a one-month free trial of a Premium Membership at skillshare.com/20k.Episode transcript, music, and credits can be found here: www.20k.org/episodes/thewindsorhumLearn more about your ad choices. Visit megaphone.fm/adchoices