I recommend plugging the stops you want to make into the Mapquest website & it will help you route the ones you want in the most efficient order. You might like to add Trader Joe's or IKEA into the list like I did.
Dancing Hares 6350 Woerner Temple Rd
Concrete Corn 4995 Rings Rd
Indian Run Falls 700 Shawan Falls - Viewing points on both sides of the ravine.
Hayden Falls - 4326 Hayden Run Dr
Leatherlips - 7377 Riverside Rd
O'Shaughnessy Dam E Glick Rd Powell
Milliken Falls - Quarry Trails Metro Park - 2158 Old Dublin Rd for an easy walk to the falls.
World's Largest Gavel 65 S Front St Columbus
Topiary Garden 480 E Town St Columbus