National Geographic Explorer-in-Residence Johan Reinhard made news on December 4, 1997, with the discovery of another Inca human sacrifice—his fourth such find on Peru’s Mount Ampato, the volcano where in 1995 he discovered the frozen ice maiden.

To learn about Reinhard’s recent expedition to Pichu Pichu, visit Andes Expedition, where you can also view results of a “virtual autopsy” of the ice maiden.