Regensberg, CH
Regensberg Castle (Swiss German: Schloss Regensberg sometimes referred to Neu-Regensberg) is a hill castle which was built about the mid-13th century AD by the House of Regensberg in the Swiss municipality of Regensberg in the Canton of Zürich.
Listen to the audio guide for Schloss Regensberg Free on WIP — starts by itself when you arrive, even with the screen off