Great idea for hiding guns in the house if you don't have a gun safe. Or even other items you want to keep safe! It took me a little while to understand this. The shelf unit slides behind a mirror. I thought it was a passage to a hidden room.
Whether they remind you of Chicago speakeasies, medieval assassination plots or Cold-War precautions, secret rooms and passages have an undeniable mystique and appeal to them. Here are 20 secret rooms created with safety, work or play in mind.