I like this space-saving idea! Gut an indoor wall on one side, put in some shelves, doors to enclose it. and then you get an awesome liquor cabinet that takes up zero floor space. Could also work as China cabinet or display case.
Learn how to build an in wall cabinet (wall niche) - another pretty niche w/ crown molding and shelves (remember the earlier pin about hanging towel bars inside the cabinet) great for small bathrooms (and other rooms