Hidden doors -- This company makes cabinets, bookshelves and anything you can think of that fits your existing doorjambs thus hiding the door (and also making use of the space) Not sure I like the idea of a 'gun cabinet' door.
Coolest hide-a-bed ever! Sofa beds are great with their versatile functions. But even the best sofa bed has to bow down to this: the Doc Space Saving System, which converts from a regular couch to a two-level bunk bed.
You’ve seen a lot of designs of beanbag chair or hammock. I’m pretty sure that you will fall in love with this creative hammock that doubles as a cozy beanbag. Imagine having a relaxing place like this… Via by Le Beancock Beanock.
pull-out shelves that you can step on to reach the top! Garage shelving idea: the lower shelves actually glide out so you can step to reach top shelved items. Then they slide back to the wall. This would be so easy to DIY!