Going through one of my RN sites this morning and came across this site, it's a bunch of people that go around visisting old disused sites in the UK, if you click on Military Bases, there's a whole slew of interesting pics and info on all sorts, including RAF disused airfields etc.
http://www.28dayslater.co.uk/forums/index.php
Interesting website
Moderators: Guru's, The Ministry