Ohio is full of marvels just waiting to be explored, both natural and manmade. From the Great Serpent Mound to the colorful Ohio Caverns, it’s easy to see just how beautiful and baffling Ohio’s land can be.
However, few people are aware that Ohio is also home to the largest accessible glacial grooves in the world. You can find them on Kelleys Island, and they’re a must-see if you get a chance to travel to the Lake Erie Islands. Check it out: