La Merced Cloister, Catholic convent in Centro Histórico, Mexico City.

La Merced Cloister is the surviving cloister of the Mercedarian monastery in Mexico City's historic center, built between 1676 and 1703. Its square patio is flanked by two arcades: seven round arches per side on the ground floor, resting on smooth Doric columns, and fourteen on the upper floor, whose columns are carved with interlacing foliage, diamond bands and grape clusters. The keystones of the lower arches bear shell and saint images, and the four central arches show the Virgin of Mercy, the Lord of Rescue, Saint Peter Nolasco and Saint Raymond Nonnatus.

The Mercedarian order began construction in 1595, though only the cloister survived the religious changes of the 1800s that transformed the country. This structure reflects how colonial Mexico was built brick by brick through monastic labor.

The name comes from the Mercedarians, a order founded by Saint Peter Nolasco to ransom Christian captives; the cloister's keystones carry the order's four key figures, including the Virgen de la Merced and the Señor del Rescate. The complex gave its name to the surrounding La Merced neighborhood, its market and the metro station.

This location sits in a busy neighborhood where people shop and work daily, so visiting early in the day helps avoid crowds. The surrounding streets can be narrow and hectic, but stepping inside the courtyards brings you into a quieter space.

The fourteen columns on the upper floor are intricately carved with patterns of leaves and fruits etched into stone. These fine details reveal the skill of craftsmen working without modern tools centuries ago.