Rosenburg
Herisau, Switzerland · built 1150
Rosenburg Castle is a ruined castle located to the west of the municipality of Herisau in the canton of Appenzell Ausserrhoden in Switzerland. It is a Swiss heritage site of national significance. The castle is on the Ramsenstock (926 m (3,038 ft)) and is therefore also called Ramsenburg.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).