On March 13th, 1997, thousands of people in Nevada, Arizona and Mexico reported seeing bizarre lights in the evening sky -- today, more than two decades later, the Phoenix Lights are still considered to be one of the most significant UFO sightings in recent history. But what exactly were they? What really happened that night in March? Tune in to learn more. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers