São Miguel das Missões

The Jesuit mission church of São Miguel das Missões appears from the road as a ruin and, closer, as something that refuses to simply be a ruin. The red sandstone walls — the quarried arenito that the Guaraní and Jesuit missionaries cut and fitted without mortar in the early 1700s — have the quality of something in the process of becoming rather than something in the process of collapse. I arrived in the late afternoon when the sun was nearly horizontal and the stone was the colour of embers, and the swallows that nest in the church facade were circling in patterns that looked rehearsed. The surrounding pampas grass was moving in the warm wind and I understood completely, standing there at the gate, why the Jesuits chose this plateau.

The mission — redução in Jesuit terminology — was established in 1687 as part of the larger network of missions the Society of Jesus built across what is now Brazil, Argentina, and Paraguay: an ambitious and ultimately doomed attempt to create organized Christian communities among the Guaraní people while simultaneously protecting them from Portuguese and Spanish slavers. At its peak, São Miguel housed twelve thousand people and had a functioning school, library, hospital, and workshops for carving, metalwork, and textiles. The ruins of what remains — the church facade, the walls of the living quarters, the floor plan of the entire settlement visible in the grass — give enough material to imagine the rest, but the imagination needs to work at it, and that work is part of what makes the place feel serious rather than merely scenic. The Guaraní who built this place left their mark in the carving. The saints and angels on the stone reliefs have faces that do not belong to European Catholic iconography — flatter noses, different cheekbones, hair treated with a different kind of attention. Inside the site museum, wooden statues removed from the ruins for preservation show the same phenomenon: Baroque religious forms inhabited by a Guaraní aesthetic that filtered everything through its own understanding of the sacred. Standing in front of them you are looking at the specific meeting point of two cosmologies under enormous external pressure, and the art that came out of that meeting.

The sound-and-light show that runs on weekend evenings projects images and music onto the church facade after dark, and I approached it with low expectations and left moved, which I wasn’t expecting of myself. The music uses Guaraní instruments alongside the expected colonial-era organ and chorus, and the images are careful and dignified rather than spectacular, and the effect of the facade lit against the southern sky with bats circling in the beam is genuinely powerful in a way that is difficult to explain afterward without sounding credulous. The town of São Miguel itself is small and exists primarily as infrastructure for the mission — pousadas, a couple of restaurants, craft shops selling Guaraní-influenced ceramics and woven goods. Stay the night if you can: the site at dawn, before any other visitor, with the mist still on the pampas and the stone still cold from the night, is worth the early departure it requires.

When to go: April through September for cooler temperatures and manageable humidity. The red stone looks best in late afternoon light — arrive by 3pm and stay until after dark for the sound-and-light show. Weekday visits avoid the weekend crowds from Porto Alegre and from across the Argentinian border.