Hidden room would be so cool! 31 Insanely Clever Remodeling Ideas For Your New Home
Discover bookshelf ideas on HOUSE - design, food and travel by House & Garden. This built-in bookcase equipped with a ladder also acts as a secret door to a hidden bathroom.
East London House by David Mikhail Architects. If you're rich and don't have a secret door in your house.
Bookshelf: Barn conversion guest house library- living room wall entrance to bedrooms