When we were renting a house, we had our own washer and dryer. Well the house came with them so we stored ours in the basement. They were the best hiding places by far.....my kids weren't going near them, as I may actually have to of used them.
Now in our own house, they are "hidden" in my room....more or less in plain sight. The kids don't come/go in my room, except when either my hubby or I are in there.