English: From the top of the Pyramid of the Sun is a great view of the Pyramid of the Moon.

The Pyramid of the Moon is the second largest pyramid in Teotihuacan, Mexico after the Pyramid of the Sun.

Pyramid of the Moon, associated by the Aztecs with the moon and water goddess Chalchiuhtlicue. It is 46 meters high, divided into four massive tiers with a monumental south-facing stairway. The pyramid was constructed between 200 and 450 A.D.

Tunnels dug into the structure have revealed that over a period of several hundred years, the pyramid underwent at least six facelifts and each new addition was larger and covered the previous structure.

There is a tomb apparently made to dedicate the fifth phase of construction. It contains four human skeletons, animal bones, jewelry, obsidian blades, and a wide variety of other offerings. Archeologists estimated that the burial occurred between 100 and 200 A.D. Another tomb dedicated to Chalchiuhtlicue was discovered in 2007. It is dated to the fourth stage of construction. It contained a single human male sacrificial victim as well as a wolf, jaguar, puma, serpent, bird skeletons, and more than 400 other relics which include a large greenstone and obsidian figurines, ceremonial knives, and spear points.