overview opening hours Maria Teresa had this wing built from 1766—1768 on a narrow parcel of land connecting the Ludwig Wing and the Institute of Noblewomen. In 1931, the building was reduced by one floor by architect Otto Rothmayer so that it would not block the view of the façade of the Vladislav Hall. At the same time, he created two hallways that today serve as exhibition spaces, and connected all levels with a spiral staircase. opening hours Exhibition spaces open only during exhibitions, usually daily from 10 a.m. to 6 p.m. or according to the operating conditions of the Prague Castle. Entrance from the III. courtyard under the Býčí staircase on the left or from the Na Valech garden. more about opening hours opening hours Exhibition spaces open only during exhibitions, usually daily from 10 a.m. to 6 p.m. or according to the operating conditions of the Prague Castle. Entrance from the III. courtyard under the Býčí staircase on the left or from the Na Valech garden.