1. The grasshopper hill — from Aztec royal retreat to Habsburg palace
Chapultepec means 'on the hill of the grasshopper' in Nahuatl, and the hill has been strategically important for at least 700 years. Aztec kings used it as a royal retreat — Moctezuma I had a residence here, and the spring water at the hill's base was so valuable that the Aztecs built an aqueduct to carry it several kilometers to Tenochtitlán. When the Spanish arrived, they recognized the high ground immediately. The current castle structure dates mostly to 1785, when Viceroy Bernardo de Gálvez began building a hilltop residence — work that stalled, restarted, and changed hands across the next 80 years before settling into its current form. For most of the early 19th century, the building served as the Colegio Militar, Mexico's military academy, which is why the most dramatic military moment in its history happened here — not during a foreign war, but during a US invasion of the city itself.



