Spice rack, foil and cling wrap, potato, and onion storage on the back of the pantry door remodel ideas
secret room under the stairs :)
The Most Exotic, Fanciful Stairs
Spiral Slide/Stairs my dream house
Soss Heavy Duty Concealed Hinges - Invisible Hinges and Soss Hinges…
how to make a bifold bookcase
Not for the guns, but I love the idea of this kind of "hideaway"