Convento de la Asunción de Calatrava
Works began in 1.519 as a hospital becoming a Monastery later on.
Where: Calle de los Bolaños.
How to get there: It's not in the city centre, but it's not far. From Plaza Mayor, take calle Feria, calle Madre de Dios and cross he square you will reach (I don't know the name, sorry), then, calle de los Bolaños will sho up.