Solving the Mystery of the Boiling River

For centuries, the Northwest Passage, the long-sought sea route connecting the Atlantic and Pacific Oceans through northern Canada, was a holy grail of Arctic exploration. Even now, sailing through it isn’t guaranteed. Mark Synnott, a National Geographic Explorer, writer, and adv ...  Show more

There’s a lost continent waiting to be explored, and it’s right below our feet. We’ll dig into the deep human relationship to the underground—and why we understand it from an instinctive point of view, but not so much from a physical one. (Hint: We’re afraid of the dark.) In an e ...  Show more

Andrés Ruzo grew up listening to his grandfather tell a story about a river with boiling waters in the Amazon. When he later became a scientist specializing in geothermal energy, he set a goal for himself: to go deep into the jungle and find that river. A transcript of this episo ...  Show more

As Theodore Roosevelt’s expedition sets off down the River of Doubt, it doesn’t take long for the going to get rough. Their canoes are no match for the boiling rapids, forcing them to trek through an unforgiving jungle rife with insects, predators and disease. As their movement s ...  Show more

In 1913, former President Theodore Roosevelt embarked on a perilous expedition to explore one of the last unmapped rivers in the Amazon. Roosevelt was joined by his son Kermit, famed Brazilian explorer Candido Rondon, and a team of naturalists and porters. But as the party sets o ...  Show more

Searching for lost cities in the Amazon sounds like something out of a Hollywood script – unless you’re University of Florida anthropologist Mike Heckenberger. He’s been visiting the Amazon for three decades, working with local tribes and uncovering a network of ancient cities in ...  Show more