Aztec Sun Stone
A 24-tonne disc of olivine basalt that spent centuries buried under Mexico City's main square — then mounted on a cathedral wall — before anyone called it art.
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Carved sometime between 1502 and 1521, buried after the Spanish conquest, rediscovered in 1790 during cathedral repairs, and displayed outdoors on the cathedral facade for nearly a century. Now in the National Anthropology Museum, it rewards close looking: the stone carries months, years, days, and weeks in relief, plus the name glyph of Moctezuma II at its center.
What to look for
- The central disc — look for Moctezuma II's name glyph, which anchors the carving's date to his reign (1502–1520)
- The carved calendar figures: months, years, days, and weeks described by Diego Durán as sculpted across its face
- The sheer mass: 3.6 metres across and 98 cm thick — picture thousands of people dragging this up to 22 km to Tenochtitlan
At the Museo Nacional de Antropología, Chapultepec — allow at least 90 minutes for the museum; the sun stone is a highlight of the Mexica hall.
Aztec Sun Stone is one of 29 sights worth the detour in Mexico City, all bundled offline in Voyage GO — download the Mexico City pack and it sits on your map with no signal, filling your travel passport the moment you walk past.
More to see in Mexico City
- Mexico City Metropolitan CathedralTwo hundred and forty years of construction, built on top of the Aztec sacred precinct — every generation of New Spain left something inside.
- National Museum of AnthropologyThe stone that defined how the world pictures the Aztec calendar is here — and 3.7 million people came to see it last year.
- Autódromo Hermanos RodríguezA 4.3 km ribbon of asphalt where two brothers gave their names — and their lives — to Mexican motorsport.
- Palacio de Bellas ArtesStarted in 1904, halted by revolution and a sinking city, finished in 1934 — thirty years of delay show in every detail.
- University Olympic Stadium (Estadio Olímpico Universitario)This is where Tommie Smith and John Carlos raised their fists to the sky in 1968 — one of sport's most charged political moments, in a stadium that held 83,700 people.
- National Palace (Palacio Nacional)Every September 15, the president rings the exact bell Father Hidalgo rang to call for rebellion against Spain — from this balcony, over this square.