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.
This tilt-top table, once for sale on Rita Bucheit Antiques, was built in 1825 and shows an interesting secret compartment revealed when the top is tilted vertically.