The Pyramid of the Feathered Serpent, also known as Temple of Quetzalcoatl, is a significant structure located in the ancient city of Teotihuacan, Mexico. Built around the 3rd century CE, it features intricate carvings of the feathered serpent deity, Quetzalcoatl, and is one of the largest pyramids in the city. The pyramid is notable for its unique architectural style and the use of talud-tablero construction. Surrounding the pyramid are several smaller temples and platforms, which were likely used for religious ceremonies. The site also contains numerous sculptures and murals that provide insight into the culture and beliefs of the Teotihuacan civilization. The pyramid remains a key archaeological site, attracting researchers and tourists alike.