Question: At the center of Rothesay, Bute, is what ruined castle that is described as one of the most remarkable in Scotland, and dates back to the beginning of the 13th century?
Sentence (from "Rothesay Castle"): Located at [ NS086646] , the castle has been described as "one of the most remarkable in Scotland", for its long history dating back to the beginning of the 13th century, and its unusual circular plan.
Relevant evidence: Yes