The ángeles arcabuceros - the arquebus-bearing angels - are among the strangest and most striking images in colonial American art. The style emerged in the Andes in the second half of the 17th century, where European Catholic imagery met the visual world of indigenous artists. The angels are dressed not as heavenly beings but as the lavishly uniformed military officers of their day — the elite Tercios de Flandes, with Andean embroidery woven into the brocade, and they hold their weapons in poses drawn from a real military handbook: the drill manual of the Dutch engraver Jacob de Gheyn, published in 1607. The nine angels of Uquía, framed by distinctive borders of roses, are thought to have come from the Cusco school, the great workshop tradition centered in what is now Peru. Many such figures are believed to have originated around Cusco and Lake Titicaca, then carried south along the trade roads.

The church of Uquía was completed in 1691, built in honor of the Holy Cross and placed under the patronage of San Francisco de Paula. It began as a humble chapel dependent on the parish of Humahuaca. Its builder, Maestre de Campo Domingo Vieyra de la Mota, served that same year as vicar and ecclesiastical judge, holding multiple church offices across a wide jurisdiction. The pronounced Jesuit influence in the church likely traces to his family's ties to Jujuy's founding lineages - the Ortiz de Zárate, Argañaraz y Murguía, and Goyechea families, who were encomenderos, governors, and patrons of the Jesuit order across Jujuy and Salta. In 1941 the church was declared a National Historic Monument.

There is a quieter mystery beneath the painted angels. Around 1752 or 1753, the Jesuit priest Pedro Lozano died in Uquía - a historian, missionary, and ethnographer regarded as a founding figure of Argentine scientific history. By tradition he was buried somewhere within the nave of this very church, but the exact spot was never recorded and remains unknown. Visitors stand among the arquebus angels without knowing whether the floor beneath them holds the bones of one of the colonial era's most important chroniclers. The church keeps its secrets the way the high desert keeps everything: dry, dim, and patient.

Uquía was never large. By the end of the 18th century it counted around fifty families - some 236 people, according to a 1773 registry - clustered in the village itself. Its people had endured the encomienda system since the mid-16th century, their labor long controlled by the Ortiz de Zárate family. Yet the community held onto a measure of its own life. It elected its own Indigenous governor, distinct from Humahuaca's, and supported two religious brotherhoods that chose their own stewards each year for the feast of San Francisco de Paula. Most families farmed irrigated plots, channeling scarce water through hand-dug canals called acequias - so fiercely that water rights disputes dragged into the courts as late as the 19th century.

Uquía sits just north of Humahuaca, a brief stop on the long road through the Quebrada. Most travelers passing along the canyon barely slow down. But those who turn off, push open the church door, and wait for their eyes to adjust find something they will not see anywhere else - a row of impeccably dressed angels taking aim, painted by hands that fused two worlds, in a frontier chapel that has guarded them for three centuries. Beyond the village, a canyon opens up with trails to hike and the spectacular road toward Iruya. But the angels are the reason to stop.