Fall out Shelter....cool photo
The Top 7 Most Important Features of a Bunker
15 Hidden Room Ideas For Your Home
10 Secret Ways to Turn the Panic Room into a Bunker
Secret Storage Under The Stairs
Hidden floorboard storage -might be nice on a deck or in the garage floor.
How to Build a Hidden Pivot Bookcase Door – Includes Easy to Follow Illustrations and Instructions. What a Great Idea!
Underground house, cool but useless. Doesn't account for power generation, water purification, waste disposal, or aquaponics. Doesn't utilize the silo at all.