Penfield Homestead Museum, off I-87 exit 28, 12 mi. e. on SR 74, then 3 mi. n. on Corduroy Rd. (CR 2), is a complex of 19th-century buildings in the Ironville Historic District. Structures include the 1827 home of Allen Penfield, barns, a church, a parsonage and ruins of the Crown Point Iron Co. works, where electricity in the form of an electromagnet was first used in industry. The house museum has displays about 19th-century life, the Iron Company and a special room dedicated to the Civil War. A guided tour of the Iron Company ruins is offered. The site includes a hiking trail.