Marc DeWerth has a passion for big trees. He's found many during his outdoor adventures in Ohio, including four current national champions — the biggest trees of their species in the country.

Tree lovers across the county are invited to nominate what they believe is the county’s largest White Pine in the 10th annual ...

In 2006, Kathleen Knight was walking through a forest in northwest Ohio. She's a researched ecologist with the U.S. Forest Service. All around her were big, beautiful ash trees, tall trunks with ...