Torre de Bengolea Monument · Gizaburuaga, Lea-Artibai / Markina-Ondarroa, Bizkaia 18th-century tower house linked to the Bengolea lineage, which also gave its name to a former 17th-century ironworks and to one of the municipality's historic mills. Photo: Ebaki (CC BY-SA 4.0) What to see and do in Gizaburuaga