The Oglebay Mansion was built in 1846 by Paul Matvey as an eight-room farmhouse. Earl W. Oglebay, co-founder of the Oglebay-Norton Company, purchased the mansion and its 25 acres (10 ha) adjoining in 1900, renamed it Waddington Farm, and used it as his summer estate and model farm. He was the ninth owner of the home and its adjoining land, and expanded the farmhouse into a mansion by adding additional wings and architectural features like the front portico. He gradually expanded the estate by purchasing adjacent farms until Waddington Farm had grown from 25 acres (10 ha) to 750 acres (300 ha) at the time of his death in 1926. The mansion became a museum in 1930. The museum, which includes restored rooms, local history exhibits, and exhibits on Earl W. Oglebay and his former estate, is operated by the Oglebay Institute and is open to the public for tours and programs throughout the year.
Earl W. Oglebay's hope was to develop Waddington Farm as a model farm, a laboratory for new agricultural changes that could be used to end the great starvation in the United States. He lent out parts of the farm to various researchers so that they could learn about crop rotation, soil improvement, and cost-cutting methods. Waddington Farm once incorporated a dairy farm, a poultry farm, a pig farm, and a sheep farm as well as stables, vineyards, a greenhouse, a rose garden, groves of fruit trees, vegetable gardens for the consumption of those living within the estate, and the areas used to research agricultural techniques. Earl Oglebay's unconventional farming methods resulted in criticism by the agricultural community. To them, he was "a man from the city trying outlandish things", but after they saw the results of his experiments, they thought differently.