Heres a 1980s military bunker in the Czech republic, now converted into a luxury bunker for the world's super-rich complete with underground garden and swimming pool
Link here
(not quite sure why there's a small golf course on the surface - surely in Nuclear Armageddon you can't just pop out for a round of golf)
Link here
(not quite sure why there's a small golf course on the surface - surely in Nuclear Armageddon you can't just pop out for a round of golf)