This old medicine cabinet has been reused as a hidden wall compartment. Apartment Therapy recommends finding these at local reuse stores. Set it into the wall, and attache a large picture frame in place of the original...
Conceal your supplies and a table / workstation in plain sight. This table folds up to look like a picture frame. This same concept could be countersunk into walls and made to look the same depth as picture frame. A design like this could save space and hide the...
This secret wall safe from ConsoleVault includes a magnetic cover that can be painted to match your wall color. This can work well in low traffic areas, utility closets, garages, etc.