Contemporary art centre in former industrial warehouses, with permanent & temporary exhibitions. It's owned by Fundación Enaire, a branch of the Ministry of Transport, with aeronautics a major theme.
Catedral de Nuestra Señora de la Asunción de Santander
Two-level Gothic church: the lower level (Iglesia del Cristo) was built from the 12th century, the upper Basilica mostly in the 13th, then the cloister was added. Don't visit during Mass, usually M-F 11:00 & 18:30; Sa 11:00, 17:00 & 20:00; and Su 12:00, 13:30, 17:00 & 20:00.
Remarkable collection of paintings and sculpture from the 19th to 20th centuries, from Italian, Flemish and Spanish schools and a painting of King Fernando VII by Goya.
An impressive museum, ranging from the Paleolithic through Roman to medieval periods. Signage includes English.
Contemporary art exhibitions.
Maritime heritage, natural history and an aquarium.
Casa Velarde
17th-century building, birthplace of artillery captain Pedro Velarde y Santillan, with antiquities and period furnishings, kitchen utensils, paintings. Visit by guided tour starting on the hour.