Exploring the ancient Maya Cave of the Jaguar God. The graffiti of Pompeii. Searching for alien life underground. New season of Overheard at National Geographic starting October 15th.If you like what you hear and want to support more content like this, please consider a National Geographic subscription. Go to natgeo.com/exploremore to subscribe today. Learn more about your ad choices. Visit megaphone.fm/adchoices