See: List of castles Castles in England
Angus
Argyll and Bute
Dumfries and Galloway
Dundee
Edinburgh
Fife
Highland
Moray
Perthshire
Scottish Borders
Stirling
... Line, and stretch the definition of "tube station" a little: Waddesdon tube station[?] Quainton Road tube station[?] Granborough Road tube station[?] Winslow ...