Andes, Mountains, Peru, 1438 CE – 1553 CE. Its preeminent founder is Pachacutec (“earth shaker”).
Sun–worship–centered society, complete with advanced astronomically–oriented temple city on Machu Picchu mountaintop. Human sacrifice at solstice time.
The Incas were conquered by Pizarro (primarily in the 1532–1542 period, but, finally by 1572), who they misread as a potentially advancing God, after the Incas had already been weakened by smallpox (by the same advancing Portuguese) and internecine succession wars.