1. Flowerbeds where you want a bit of a uniform color, but you don't want to use mulch is a great place for crushed stone.
2. If you want a decorative driveway, but don't want gravel, crushed stone is a perfect thing for your driveway. Crushed stone looks more angular instead of round, so it's just more decorative and will set off you driveway better than gravel.
Check out the rest of the ways you can use crushed stone here...