Hinged Mirrod with Secret Storage Compartment Behind This full length mirror is hinged to open up and reveal a secret storage compartment with two shelves, necklace hooks, ring storage and pouches for more storage.

How to Build a Bookshelf Door This builder used the bearings from heavy duty caster wheels to create this built-in secret bookcase door.

Back Wall of Bookshelf Removes to Allow Access to Attic This user on Pinterest created a built-in bookcase in which the center shelf and back can be removed to allow access to attic space.

Bookcase Door to Hidden Room Secret Wine Cellar Located Behind Bookshelf Door This custom swing-in bookshelf door opens up to reveal a secret wine cellar behind.

Secret Room Behind Custom Bookcase Entry Door This home for sale in Steamboat Springs, CO includes a secret room accessed through a bookshelf door.

Hidden Panel Conceals Media Closet in Home Theater This media rack in a home theater is concealed by a secret swing-out wall accent panel.

Bookshelf Door Conceals Secret Closet Room This bookcase door on the PieceO'Cake blog, mounted on wheels, slides open to reveal a secret closet storage room behind.

Secret Rotating Bookshelf Door The Modern Hotel in Waikiki contains this large rotating bookshelf door that rotates in the evening to allow passage to the Lobby Bar.

Secret Bookcase Door Conceals Safe Room This secret bookshelf door built by a Reddit user conceals the entrance to a small storage room used to secure guns and valuables.

Hidden Room Behind Secret Door The office in the Steam Punk Home has a couple secret passages, including this wall panel that opens as a secret door.