El Dorado and the River of Despair

Tracy and Holly talk about their favorite pens, and Tracy describes a unique radio she had as a child.See omnystudio.com/listener for privacy information. 

Edwin Howard Armstrong isn’t exactly a well-known inventor, but his work in radio literally changed communications around the globe. But his most famous invention – FM radio – became a source of constant frustration after he developed it. Research: Armstrong, Edwin H. “Frequency ... Show More

Before the ballpoint pen, people used their hands, reeds, bamboo, brushes, quills, and eventually nibs to write or draw. But how did things evolve from there to get to things like the fountain pen, and eventually, a ballpoint? Research: "pen." Britannica Library, Encyclopædia Bri ... Show More

Join us as we delve into the enthralling legend of El Dorado, the mythical city rumored to be overflowing with gold. We explore its origins, the countless expeditions launched in pursuit of its treasures, and how it captivated the imaginations of explorers and historians alike. J ... Show More

From the end of the 15th century, the Conquistadors changed the face of the Americas. Invading first the Caribbean and Mexico, they then plunged on into the rest of the continent and plundered the Pacific seaboard. So what do we know of these Europeans and their quest to expand a ... Show More

While the idea of draining (most of) the Mediterranean sounds... ambitious, to say the least, Herman Sörgel's vision met with a surprising amount of popular support. In the second part of this two-part episode, the gang explores the dark side of Atlantropa, from its roots in colo ... Show More

“Conquer or die! Conquer or die! Conquer or die!” Making a decision that will change the course of history, Hernán Cortés chooses to disobey his orders and head inland in search of the gold-rich empire of the mysterious Montezuma. Ahead lie the mountain passes that will lead him ... Show More

During the age of European expansion, members of the Jewish diaspora traveled to Caribbean and the continents of North and South America, often escaping the intense persecution of the Inquisition. Some became merchants, others explorers -- and some became pirates. Join Ben and No ... Show More

Mesoamerica is one of only a few places in the world where "civilization" - states, writing, cities, monumental building, and so on - emerged independently. The first society to do all this were the enigmatic Olmecs more than 3,000 years ago. Today the Olmecs are known mostly for ... Show More

During the age of European expansion, members of the Jewish diaspora traveled to Caribbean and the continents of North and South America, often escaping the intense persecution of the Inquisition. Some became merchants, others explorers -- and some became pirates. Join Ben and No ... Show More

The societies of the European Bronze Age lacked writing, but their illiteracy shouldn’t fool us: These were rich and sophisticated civilizations that existed in a time of deep and fundamental transformations, when new technologies, ways of understanding the world, and forms of po ... Show More

The medieval economy underwent a profound transformation, becoming ever more commercialized and monetized. Merchants helped drive that change, moving goods from place to place and profiting on the returns. Today, we meet some of them: an Italian named Francesco Datini, one of the ... Show More

Located roughly in the territory of the modern-day nation of Iran is the ancient region known as Persia. Persia sat at a strategic crossroad between South Asia, Central Asia, the Middle East, the Arabian Peninsula, and Asia Minor.It was influenced not only by all of the great civ ... Show More