My dream! "The Spiral Cellars design/build firm will dig a hole in whatever room you want your cellar in and haul the dirt right out the front door. In the remaining void they infill a spiral-staircase wine cellar.
Stash Cash in the Door? - 15 Secret Hiding Places That Will Fool Even the Smartest Burglar. you know until you put it all over the Internet and then everyone and their mother knows you have secret hiding places.
This bookcase built by Creative Home Engineering opens up to reveal a hidden gun vault. Helen "I would not be having a gun vault but love the hidden room idea. Would maybe fill it with my secret material buying purchases and canvas/paint 'must haves'!