The ancient city of Teotihuacan, located in central Mexico, is renowned for its impressive structures, including the Pyramid of the Sun and the Pyramid of the Moon. These monumental buildings were constructed around 200 CE and served as religious and ceremonial centers. The city was one of the largest urban centers in the ancient world, showcasing advanced architectural techniques and urban planning. Another significant feature of Teotihuacan is the Avenue of the Dead, a long thoroughfare lined with various temples and residential complexes. The city's layout reflects a sophisticated understanding of urban design, with structures built using volcanic stone and adorned with intricate murals. Teotihuacan remains a UNESCO World Heritage site, attracting visitors interested in its rich history and cultural significance.