Hidden Jewelry Holder - This is an awesome DIY project. All you need is a couple nails, some hinges a little bit of altering and a place to hang a pretty picture. I think it's a good idea, and a convenient way to hide your valuables.
DIY Secret Drawer Log Box Tutorial from Brooklyn Limestone here. This does require a band saw (which we have and I have never touched) but I like this idea of a secret hiding place so much I had to post it. Really good instructions.