Semana Santa de Cabeza del Buey Activity · Cabeza del Buey, La Serena, Badajoz Image of Cabeza del Buey, not of the place itself. Considered the oldest traditional religious expression in La Serena, with a documented origin in the 16th century and eight processional floats carried by costaleros. siglo XVI Photo: Axel Cotón Gutiérrez (CC BY-SA 4.0) What to see and do in Cabeza del Buey