A terrarium is nothing less than a miniature world-one that you can create yourself. It might be a tiny rainforest, with lush foliage and bright tropical flowers. Or a desert, with strange succulents planted among colorful stones. Or a Victorian fernery. Or a minimalist composition with a single, perfect plant. Or it might not contain any plants at all. It might be made with crystals, feathers, bones, seashells, bits of wood, porcelain trinkets-anything...