Torre de Arteaga Monument · Gautegiz Arteaga, Gernika-Bermeo, Bizkaia Medieval tower-house rebuilt in the 19th century commissioned by Empress Eugenia de Montijo, wife of Napoleon III; it is the municipality's most notable historic building. siglo XIX (reconstrucción por encargo de Eugenia de Montijo) What to see and do in Gautegiz Arteaga