The incident at Chan Chan, the largest adobe city in the Americas, has drawn attention to the lax security at the 600-year-old Unesco World Heritage Site

The finding provides a psychedelic trip into the heart of pre-Incan power at Chavín de Huántar, where psychoactive substances were used in elite ceremonial rituals

The exceptional find at Áspero reveals women’s high status in the ancient Caral civilisation

Researchers investigating the ancient Caral civilisation must contend with dwindling state support, violent land traffickers and robbers