The Pyramid of the Moon is a large structure located in the ancient city of Teotihuacan, Mexico. It is the second-largest pyramid in the city, built around 200 CE. The pyramid is part of a complex that includes the Avenue of the Dead and other significant structures, showcasing the architectural skills of the Teotihuacan civilization. This pyramid is notable for its unique design, featuring a series of platforms and terraces. It is believed to have been used for religious ceremonies, possibly dedicated to the goddess of the moon. The site attracts many visitors interested in ancient Mesoamerican cultures.