Teotihuacan is an ancient Mesoamerican city located in the Basin of Mexico, known for its impressive pyramids and urban planning. At its peak around 500 AD, it was one of the largest cities in the world, with a population of over 100,000. The city's most famous structures include the Pyramid of the Sun and the Pyramid of the Moon, which showcase the architectural prowess of its inhabitants. The name Teotihuacan means 'the place where the gods were created' in the Nahuatl language. This UNESCO World Heritage Site continues to captivate visitors with its rich history and cultural significance, offering insights into the lives of the ancient Mesoamerican people who once thrived there.