Torre de Doña Otxanda Monument · Vitoria-Gasteiz, Cuadrilla de Vitoria-Gasteiz, Álava Defensive tower-house from the early 15th century, one of the surviving structures of Vitoria's old wall; since 1986 it has housed the Álava Natural Sciences Museum. Comienzos del siglo XV; museo desde 1986 Photo: Zarateman (CC0) What to see and do in Vitoria-Gasteiz