Use Shapes and Lines

Use Shapes and Lines to Draw the Eye to a Specific Point

The viewer's eye doesn't magically end up looking at one of the intersections in the rule of thirds grid, it's just more natural. That said, if you have a reason to draw the eye elsewhere you can accomplish that pretty easily by choosing where you place shapes and lines in your photograph. A shape doesn't mean a literal, detail-less shape, but in the sense that a building could serve as a rectangle. Roads often make nice lines in landscapes. When you're composing your photograph, consider the shapes and lines and where they draw your eye. If they're taking you out of the photograph or away from the primary subject, you'll probably want to consider a different composition. Let the roads lead where you want the eye to go.

Perspective can even make a road straight ahead appear like a triangle and draw the eye into the horizon. Whatever the case may be, make sure your shapes and lines are taking the viewer where you want them to go.