Objects found at archaeological sites reveal unsuspected truths about the past, but risk destruction without expert preservation. Follow scientist Philippe Walter to France, Egypt and Greece as he uses new technology to analyze antiquities.

Discover how cutting-edge technology can protect at-risk archaeological sites to help preserve our past. From the bottom of the ocean to deep inside pre-Inca temples, see how LIDAR, robots and digitization allow us to go beyond human limits and create virtual archives for the future.