Secret storage for an ipad and keys
DIY for address plaque with glow-in-the-dark (at least for a little while) numbers and a secret key compartment - by Matt2 Silver [Instructables]
Hidden space behind a picture, http://hative.com/clever-hidden-storage-ideas/
I've always liked secret hiding places like this
This secret room is a bit small, I'd want this to be a passageway that leads to a room at least, but I like that it's hidden behind a picture.
Secret Storage Space - hidden behind a board and batten panel - Parade of Homes, via Interiors by Kenz
Gorgeous Under Stair Storage look Charleston Transitional Staircase Image Ideas with built-in storage closet closet organizers hidden storage pull-out shelves pull-out storage secret closet stair
Top 31 Super Smart DIY Storage Solutions For Your Home Improvement
Pias Ryddige Hjørne - Secret space
41 Mind Blowing Hidden Storage Ideas Making a Clever Use of Your Household Space!