Strängnäs, Italy
Tynnelsö Castle (Swedish: Tynnelsö slott) is a castle in Sweden. It is on Tynnelsö island in Lake Mälaren, a few kilometres north-east of Strängnäs. The castle was built during the Middle Ages by the bishops of Strängnäs.
Listen to the audio guide for Tynnelsö Castle Free on WIP — starts by itself when you arrive, even with the screen off