Palacio Zuloaga (Casa Zuloaga) Monument · Hondarribia, Bidasoa Beherea / Bajo Bidasoa, Gipuzkoa 18th-century Baroque palace built by Pedro Ignacio de Zuloaga on a former tower house, on Calle Mayor in the historic center. Its facade bears a shield with the founder's four surnames. It now houses Hondarribia's Historical Archive and Municipal Library. Photo: Cruccone (CC BY 3.0) What to see and do in Hondarribia