I'm not sure where you'd find a cabinet that looks like a wall (especially because everyone's walls are different), but I can tell you to check out ConcealedCabinet.com for a cabinet hidden behind a picture frame.
Looking For Picture Of A Hidden Cabinet, Can You Help?
It is basically part of the construction and design of a room. Whereby a cabinet is constructed in such a way that it is hidden behind a wall or any other construction. For pictures of Hidden or false cabinets see the link below:
images.google.com.pk
images.google.com.pk
