Sangria Cocktail

¾ cup superfine sugar

1 cup tap water

1 orange, sliced

1 lime, sliced

5 (750 milliliter) bottles red wine

12 cubes ice cubes

6 fluid ounces sparkling water

1 cup fresh raspberries, blackberries, blueberries, or halved strawberries

Dissolve sugar in tap water in a large pitcher. Add orange slices, lime slices, and wine. Stir in ice cubes until cold. Top with sparkling water. Serve in red-wine glasses, with fresh berries in each glass.