The Holy Week Monument Curiosity · Ventosa de la Cuesta, Tierra del Vino, Valladolid This optical-illusion framework, one of the three preserved in Spain, is assembled at Semana Santa to transform the church's altar into a monumental monstrance of outsized proportions. Photo: Rodelar (CC BY-SA 3.0) What to see and do in Ventosa de la Cuesta