But just how well do you know Scotland's castles?
Take this quiz and unlock some of Scotland's finest historic sites as you go.
It is certainly not as easy as you might think. Good luck.
9. A powerful seat
The seat of the Dukes of Argyll, the chiefs of Clan Campbell, since the 18th Century, this castle enjoys a fine spot overlooking Loch Fyne. | other Photo: Dan/CC
10. A pile in pink
This pretty castle was built by a family that was linked to Robert the Bruce. It is surrounded by beautiful gardens and woodland and is famous for its topiary. | other Photo: Oyoyo/CC
11. A King's residence
Home to the Stewart dynasty, this castle is loaded with history about some of Scotland's most powerful figures. | other Photo: Andrew Shiva/CC
12. Toast of the coast
Set on a cliff edge, this once-mighty fortress was home to the Red Douglas dynasty. PIC: TSPL.