From UFOs to psychic powers and government conspiracies, history is riddled with unexplained events. You can turn back now or learn the Stuff They Don't Want You To Know, an audio podcast from HowStuffWorks.com.

What are the Phoenix lights?

August 28, 201944 min
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