On my google page I have a feed from howstuffworks. Today's headline was "10 Unique Castles". Of course that brought to mind mate by castling. I've actually posted on this topic before, but I'd thought I post another game anyway.
Seuss,O - Hurme,H [B09]
WchT U26 qual-E Dresden (1.4), 01.08.1969
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 0-0 6.e5 Nfd7 7.h4 c5 8.h5 cxd4 9.Qxd4 dxe5 10.Qf2 Re8 11.hxg6 hxg6 12.Qh4 Nf8 13.fxe5 Nc6 14.Bh6 f6 15.Bxg7 Kxg7 16.Qh8+ Kf7 17.Bc4+ Be6 18.Ng5+ fxg5 19.0-0# 1-0