The Naval Museum of Cartagena was established in 1986. Among the collection are model and actual ships, submarines and planes plus naval armaments, flags, equipment and personal effects of sailors. There are also exhibits in Spanish and English about major battles involving the Spanish Navy (Armada Española). Museo Naval shares the CIM building along the waterfront with Polytechnic University. This was a prison when it was built in 1785. In the foreground is The Whale’s Tail (Cola de Ballena). The 24 ton steel sculpture, created by Fernando Sáenz de Elorrieta in 2007, measures 15.5 feet high and 26 feet wide.