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.
1. A modern reincarnation
There could possibly be no greater expression of the romantic Highland castle, but this version of the landmark is relatively new and was opened in 1932 after a 20-year restoration project.
2. Cameras Ready
This lochside stronghold is one of the most photographed landmarks in Scotland given its waterside location. Photo: Historic Environment Scotland
3. A starring role
This castle sits on a little islet in Argyll with a low-tide required to reach it. The tower house became famous after appearing in Monty Python and the Holy Grail. Photo: Jack Torcello/CC
4. An ancient clan seat
This grand 16th Century pile in the North East was built in a 'Z' shape and was the ancestral home of a clan for 400 years. Photo: National Trust for Scotland