When people think about adding more storage space to their homes, usually their choices are pretty predictable – bookcases, desks, cabinets, sheds, storage benches – and these are all great options.Sometimes, though, there are things you want to stow without displaying an obvious storage space.There are a lot of reasons to hide your storage; the appeal of a clean look, the security of a clever spot to store valuables and the need to keep things conveniently located yet out of sight. Whatever your purpose, there are a range of super sneaky storage spaces that can meet your needs.Popular Types of Hidden StorageBook boxes, also sometimes called book safes, are a fun indoor storage option that can hide items in plain sight. These boxes look like normal books on your shelf; however, if you open the cover, you’ll discover a hollow compartment inside.A book box can be a great spot to store anything from passports and important documents to TV remotes. They come in a wide variety of designs, so whether your bookcase is packed with leather-bound classics or something a little more modern you can perfectly camouflage this storage space.A hide-a-key (as you may surmise from its name) is a storage space specifically designed to help you hide an extra key. These handy additions are made to blend in with the outdoors so you can safely stash a key somewhere close to your door without worry that it will be discovered.There are a few different kinds of hide-a-keys, from the classic fake rock design to imitation birdhouses with secret compartments. There are also a range of hollow lawn statues that you can hide your keys in, too. With all these options, your spare key can stay both safe and close at hand so you never get locked out of your house again.Furniture with Hidden StorageYou can hide even more storage in plain sight using furniture with hidden storage, like a coffee table that features a slide-open storage compartment.Many of these designs open on the table's surface, with the tabletop sliding to the sides to provide access to a hollow interior. In this configuration, the opening to the inner compartment is perfectly camouflaged as a normal seam and no one suspects that coffee table clutter could be hiding inside.Of course, these choices are by no means the only types of hidden storage spaces that you can add to your home. There are options for general storage as well as specialized designs, so you can tuck away anything from garden hoses to routers.Explore the options and have fun finding the best ways to get your space looking tidy, while keeping your items safe and secure.