MUNCYT, Alcobendas headquarters Activity · Alcobendas, Área Metropolitana, Madrid The Madrid branch of the National Museum of Science and Technology opened on 12 December 2014 in the former CosmoCaixa, remodelled by the architects Roberto and Esteve Terradas; the institution holds more than 18,000 items and has a digital planetarium. Photo: Zarateman (CC BY-SA 4.0) What to see and do in Alcobendas