Shocking discovery: Aztec tower made of 119 skulls unearthed in Mexico

Years ago, archaeologists uncovered a tower made of 484 human skulls — but now, another milestone discovery has been made in Mexico. The bizarre structure is thought to have played a significant role not only in Aztec religious rituals but also as a display of the civilisation’s power.

In the heart of Mexico City, beneath the ruins of the ancient Aztec capital, Tenochtitlan, archaeologists have made yet another chilling find. Since 2017, researchers working on the excavation of the ancient Templo Mayor have been investigating the site where a gruesome tower of human skulls was first uncovered, according to All That’s Interesting.

Thanks to years of persistent research, experts have now revealed a new section made up of 119 skulls. The Huey Tzompantli — the name of the original structure — was five metres in diameter and composed of 484 human skulls. With the newly discovered remains, that number has now risen to 603.

The skulls served several purposes

The skulls belonged to the trophy chamber of the Templo Mayor, the Aztecs’ main temple, which was used for human sacrifice rituals. The cylindrical tower stood close to the cathedral that was later built over it, near the shrine dedicated to Huitzilopochtli, the Aztec god of the sun, war, and sacrifice.

According to researchers from Mexico’s National Institute of Anthropology and History (INAH), the newly uncovered skull wall formed part of the temple’s main sanctuary. It symbolised both sacred power and offerings made to the gods — a kind of boundary between the human and the divine worlds, where the victims’ bodies remained on earth but their souls were believed to ascend to the gods.

However, experts suggest that such skull towers expressed more than just religious devotion: they were also striking displays of the Aztec Empire’s power and prestige. The Huey Tzompantli likely both amazed and terrified foreign visitors — including the Spanish conquistadors who, led by Hernán Cortés, conquered Tenochtitlan in 1521.