Fox,
I Noticed that you had a few links about Castles.
Last Summer my Fiancee & I took a trip to Thousand Islands NY ( way upstate near Canada ) there is a Castle on a small island called Heart Island, where the Bolt castle is located. The Castle is the only thing on this Island. I found it to be a very unique story and thought you might be intrested in the link.
We took a tour of the castle and it was a lot of fun.
http://www.1000islands.com/castle/boldtcas.htm
Take care,
Jenn