After stumbling upon a hidden trove of diaries, New Yorker writer David Grann set out to solve "the greatest exploration mystery of the twentieth century": what happened to British explorer Percy Fawcett. In 1925 Fawcett ventured into the Amazon to find an ancient civilization. For centuries Europeans believed the world's largest jungle concealed the glittering El Dorado. Thousands had died looking for it, leaving many convinced that the Amazon was...

Henry Worsley was a devoted husband and father and a decorated British special forces officer who believed in honor and sacrifice. He was also a man obsessed. He spent his life idolizing Ernest Shackleton, the nineteenth-century polar explorer, who tried to become the first person to reach the South Pole, and later sought to cross Antarctica on foot. Shackleton never completed his journeys, but he repeatedly rescued his men from certain death, and...

The incredible true story of British explorer Percy Fawcett, who journeys into the Amazon at the dawn of the twentieth century and discovers evidence of a previously unknown, advanced civilization that may have once inhabited the region.