Templo de San Cayetano (La Valenciana)

The Templo de San Cayetano, commonly called La Valenciana, was commissioned by Antonio de Obregon y Alcocer, Count of Valenciana, and completed in 1788 above the entrance to the Valenciana mine, which at the time was producing an estimated two-thirds of the world's silver output. The church is considered one of the finest examples of Mexican Churrigueresque architecture, an ornate late-Baroque style, with a pink sandstone facade covered in dense sculptural relief and three gilded altarpieces, or retablos, inside covered in gold leaf and populated with carved saints in a fully immersive devotional interior. The floor plan follows a Latin cross with a single nave, and the interior retains its original 18th-century wood and gold-leaf pulpit and choir screen largely intact since construction, a rarity among colonial Mexican churches that often lost original fittings to later renovations or the Reform-era conflicts of the 19th century. The church sits directly above the Valenciana mine complex, now partly open to visitors as the Bocamina San Ramon, linking the building physically to the mining wealth that funded it. Restoration efforts have focused on stabilizing the gold-leaf altarpieces and the sandstone facade against weathering, and the church remains an active parish rather than a converted museum, so the interior is maintained in continuous liturgical use. Its combination of extreme ornamentation and direct funding link to a single named mine makes it a clear physical record of how silver wealth was converted into ecclesiastical architecture in late colonial Guanajuato.