The Tiwanaku civilization, from 1500 BCE to 1200 CE, was centered near Lake Titicaca and is known for its monumental architecture. The Gate of the Sun and other structures feature depictions of deities central to Andean cosmology.Tiwanaku’s spiritual practices, involving water and celestial alignments, influenced later Andean mythologies. Its legacy remains in the cosmological traditions of the Andes.