However, perhaps the most famous example of a hidden passageway is what modern architects call a "murphy door," most often portrayed as those secret doors behind a bookcase. Secret doors appear in ...

For me, the best way to create a hidden or secret door is to use built-in joinery to give the illusion of a bookcase or closet. Not only does it conceal the door, but it also adds a fun and ...

From the outside, it looks like any other ordinary bookshelf. But two British travellers were blown away when they discovered a hidden door behind the unassuming cabinet that led to a secret room.