It is strongly liked with the legend of King Arthur and below at the waterline/beach is a cave said to have been the magician Merlin's. It's all pretty cool really, but just ruins now. I don't know anything about the Nintendo thing although I played Duck Hunt on it a time or two.
Duck Hunt was a classic as well! That is very cool, I have always enjoyed Arthurian Legends. One of my favorite books as a kid had a lot of references to that.
I'm a history guy, it's more interesting than the present to me, so am always delving into one aspect of another. I have almost 2000 words in a post this week on some Viking stuff so yeah...it's all fascinating to me.