Adding block planting of a particular specimen can become a focal point in the garden.
Even adding areas of variegated foliage can create a focal point in the garden.

Seats are another item that can add interest to the garden and additionally they can offer a nice place to rest and relax while you admire your work.

Mirrors that are strategically placed can enhance the garden in many ways.
They can bring reflected light to dark corners of the garden.
They can also give the impression that the garden is bigger or alternatively they can give the impression that the open space is bigger.

Placed at various angles, mirrors can add a lot of fun and interest to a garden and help to lead a visitor on to other areas.

Using hedges can also add interest to the garden while offering protection to the plants.
Hedges are also an excellent way to gain privacy without feeling closed in.

Water features are a favorite for many people and the sound of running water in the corner of a garden can add an atmosphere of calm and relaxation.

Water features can also be good for the birds in the garden particularly in the summer months when they might find it difficult to find water lying around to suit their needs.

As with sculptures, stones, rocks and pebbles can add interest and offer areas where you can walk even when the surrounding ground might be too wet.
Shells also make a good cover on the ground for paths that can remain dry in the wet season.

There are so many different things that you put in your garden to add interest.
Everything from old cartwheels to wind chimes, aviaries or anything else you can imagine.