Why Did Easter Island's Civilization Collapse...

George Mallory was a member of the first three European expeditions to Everest, world’s tallest mountain. He wanted to summit it so badly, he gave his life trying. Since that fateful day in 1924, climbers have wondered – was Mallory the first to summit? Listen as Josh and Chuck e ...  Show more

Hard to believe we haven't covered this one yet, but here we are. Why did the Hindenburg crash and burn? We still don't really know.See omnystudio.com/listener for privacy information. 

At its height, the city of Angkor was larger than Rhode Island. Replete with ornate architecture, the metropolis also served as a religious center. Yet by the time Europeans discovered the site, it was ruined. What happened? Listen in and learn more.

First inhabited by the Rapa Nui people a thousand years ago, Easter Island is best known for its hundreds of giant stone statues. But what inspired a group of ancient Polynesian explorers to settle in such a remote spot in the South Pacific? How did they almost bring their own co ...  Show more

For centuries self-assured academics believed Troy was a mythological city -- until, that is, the ruins were discovered. Over the span of history, the human species has lost people, cities and entire civilizations. Occasionally, governments don't want these lost empires to be ...

You've probably heard of the Atlantis before, but have you heard the legends of another lost city, somewhere out in the endless sands of the Arabian Peninsula's Rub' al Khali (or "Empty Quarter")? Tales of this city, known as Ubar or Iram of the Pillars, surface in countries t ...