Bletchley Park is one of the 128 places in my travel book for geeks and an absolute must see for anyone who's interested in computer science or code breaking.
It would be tragic if it was allowed to fall into disuse or disrepair because of a lack of funding.
I've started a simple campaign to help Bletchley Park by donating a power of 2 in the currency of your choice: http://news.ycombinator.com/item?id=387007