Use drawer slides; mount the drawer on the wall; attach the shell to the slides, so it pulls out. Shifty Desk / Hallway Stand by Daniel Schofield This is such a great storage idea! It can be a shelf and a drawer.
gabion style column - Smear concrete on stones to make column look like a solid concrete column and/or use flagstone and mortar to dress up column. Can use at end of driveway, mailbox or for backyard/gardening purposes.