The Gothic church of San Sebastián de Villaco Monument · Villaco, Páramos del Esgueva, Valladolid Image of Villaco, not of the place itself. A sixteenth-century Gothic church with a single nave of four bays covered by groin vaults; the main chapel displays ribbed vaulting with tiercerons and liernes, the most elaborate solution of the religious architecture of the valley. Photo: Rowanwindwhistler (CC BY-SA 3.0) What to see and do in Villaco