Palacio de Urdanibia Monument · Irun, Bidasoa Beherea / Bajo Bidasoa, Gipuzkoa Renaissance palace built in 1612 by Sebastián de Urdanibia on the site of a former tower house, with an ashlar facade and two coats of arms, one of them showing a burning tower recalling the 1476 fire of the Aranzate tower. Declared a Monumento Histórico-Artístico, together with the adjoining ironworks and mill it has formed a Conjunto Monumental since 2000. It now holds the collections of the Basque Film Archive. Photo: Gonzalo Etxague (CC BY 3.0) What to see and do in Irun