Staircases take up a lot of space, so why not use them for storage as well. Imagine each step is a box with a hidden drawer in it still allowing for additional storage or home office space beneath the staircase.
I love things that hide things. I especially want that bathtub and the vent/safe. The TV hiding all the other electronics is a great idea, but I'd imagine there'd have to be some kind of sensor in order to work the other stuff.
A beautiful waterfall from Jasper National Park in Alberta, Canada. How to Order Order this item by choosing a width that is slightly wider than your stairway, and that has the correct number of stair (Cool Ideas For The Home)
10 Most Clever Safes You Can Actually Buy - safe, diversion safe, hide money, money, keep money, valuable