Jorge Anhalzer's team discovered an ancient Inca road matching Valverde's map, possibly leading to the lost treasure.

Peter Aicher is an Associate Professor of Classics at the University of Southern Maine and one of the Roman experts who assisted NOVA in the making of the documentary, "Secrets of Lost Empires ...

Turning points in ancient Roman history and some of the Empire's greatest stories are brought to life in this drama documentary series.

Many more documents survive from the early Middle Ages than from the Roman Empire. Although ecclesiastical archives ... this new investigation reveals the scale and spread of documentary culture ...