Freising, DE
former bishop's castle, today Cardinal Döpfner House on Freising Domberg (Upper Bavaria). Oldest parts from 1314, conversion and extension to a prince-bishop's Renaissance castle, 1607-1622 extension to today's three-storey four-wing complex.
Listen to the audio guide for Fürstbischöfliche Residenz Free on WIP — starts by itself when you arrive, even with the screen off