The Play! Table from GENERATE includes a sliding puzzle top. Each time the puzzle is rearranged, the open slot reveals one of sixteen different secret storage compartments. The price tag of $7,599 makes it unfeasible for most rational folks, but the concept still...
This chair side table from Taylor Gifts has a top that lifts up to reveal a secret storage compartment. This type of lift-up lid is generally less desirable than a sliding top or other side door/drawer, as it requires you to remove items from the top of the table to...
This modern wood panel wall opens up to reveal a series of shelves, storage drawers and even a secret door. With a bit of planning, this could be replicated in many situations.