The Hum is a phenomenon involving widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise not audible to all people.
There's more to the Newby-McMahon Building in Wichita Falls, Texas than meets the eye.
History is full of people tragically killed by their own inventions. This episode is full of their stories.
During World War II, the United States Army deployed a division made up of artists armed with inflatable tanks, sound equipment and more, all designed to deceive and manipulate the enemy.
In mainland Europe between the 14th and 17th centuries, large groups of people would dance in the streets. Were they sick? Was it just a form of escape? Did someone curse them?
Action Park claimed six lives in the 1980s. From water slides with loops to racing tracks on the sides of mountains, the amusement park's shocking history raises lots of questions about what was allowed at the time, and what people are willing to risk for a few shots of adrenaline.