Teotihuacan is an ancient Mesoamerican city located in the State of Mexico, just outside of Mexico City. It is known for its impressive pyramids, including the Pyramid of the Sun and the Pyramid of the Moon, which are some of the largest and most well-preserved in the world. The city was once one of the largest in the pre-Columbian Americas, with a population estimated at over 100,000 at its peak. Teotihuacan is also known for its well-planned layout, with wide avenues and impressive murals and sculptures. Today, it is a popular tourist destination, drawing visitors from around the world to marvel at its ancient architecture and learn about the history of the Mesoamerican people who once called it home.