Just, north-east of Edinburgh IIRC, there's a RN sub decom yard. Some Churchill classes and a Resolution up there I think.
The Russian dockyards are well worth a look, there's a lot of old stuff still lying around there
Plus,
http://bbs.keyhole.com/ubb/showflat..../page/0#468469
Check this out, the Visible shipwreck collection

Some good stuff in there.