Combine orange, pineapple, and lemon juice in a large container, stirring well. Pour 1 quart fruit juice mixture into a 6-cup ring mold, reserving remaining juice mixture. Arrange orange slices, lemon slices, and cherries attractively in mold. Freeze until ready to serve.
Combine water and sugar in a large mixing bowl, stirring until sugar dissolves. Add to reserved fruit juice mixture, stirring well. Chill thoroughly.
Pour chilled juice mixture over prepared ice ring in a large punch bowl; add ginger ale just before serving. Serve immediately.