Deep in the jungles of Mexico, gigantic stone heads carve a hidden path to a Mesoamerican mystery; an intrepid expert, Dr. Janina Ramirez, follows the trail left by long-ago explorers, Matthew and Marion Stirling, to turn up new clues and reveal the secrets of a lost ancient civilization, the Olmecs.

The treasure trove of the Sutton Hoo ship burial in Suffolk, England, is one of the great discoveries from medieval Europe, and its mysteries conceal the secrets of a lost world, the early Anglo-Saxon period. Cutting-edge archaeology and an international expedition in 1939 reveal the truth behind a warrior king's riches.