Snuff tubes uncovered at Chavin de Huantar in Peru reveal how leaders used mystical experiences to cement their power.

Rising from obscurity in Peru's Cusco Valley during the 13th century, a royal Inca dynasty charmed, bribed, intimidated, or conquered its rivals to create the largest pre-Columbian empire in the ...

Two thousand years before the Inca empire dominated the Andes ... likely reserved for a select few, reinforcing the social hierarchy," said Daniel Contreras, Ph.D., an anthropological ...

Two thousand years before the Inca empire dominated the Andes ... likely reserved for a select few, reinforcing the social hierarchy," said Daniel Contreras, Ph.D., an anthropological ...