Angus, Donald James (D.J.), “Mexico. Temple de Quetzalcoatl in Teotihuacan,” Digital Collections, accessed April 2, 2025, https://digitalcollections.library.gvsu.edu/document/23902.
The ancient city of Teotihuacan is the most visited of Mexico's archaeological sites. Temple de Quetzalcoatl, the third largest pyramid in Teotihuacan, is known as the Feathered Serpent.