If you are fascinated with 15th century Spanish history – one of the country’s most important eras – then you must visit the Museum of the Royal Chapel. The museum was established in 1913 inside the Sacristy of the Royal Chapel. The exhibits are captivating. Among the items displayed in Capilla Real y Museo are the personal effects of the Catholic Monarchs. These include their crowns, jewelry of gold and silver, furniture plus religious artwork collected by Queen Isabella I.