We may receive a commission on purchases made from links. Buildings with hidden spaces have long been a subject of public interest, with plenty of real-world history from ancient Egyptian tombs ...

His latest creation: you guessed it, is a secret bookcase door. For this tutorial, he took a regular book shelf and mounted it onto a wooden door, with the door itself functioning as the shelf’s ...

We have a pretty good guess where [Krizbleen] hides away any seasonal presents for his family: behind his shiny new secret ... door as necessary, onto which [Krizbleen] expertly mounted the ...