Explore this major Totonac ceremonial center where Hernán Cortés first encountered sophisticated Mesoamerican urban civilization and forged the indigenous alliance that enabled the Spanish conquest of the Aztec Empire. Marvel at impressive pyramid complexes, ceremonial plazas, and residential areas demonstrating advanced Totonac urban planning, architectural techniques, and political organization controlling coastal trade routes. Visit the site museum, which displays ceramic artifacts, stone sculptures, and historical exhibits explaining Totonac culture, Spanish contact, and the dramatic cultural transformation following European arrival. Learn about traditional Totonac agriculture, religious practices, and social organization while exploring temple complexes and residential areas where archaeological discoveries continue to reveal insights into pre-Columbian coastal civilizations and early colonial-period interactions between indigenous peoples and Spanish colonizers. This site is open from 9:00 to 17:00 daily, and entry costs 65 pesos (about 3.5 USD).