The Governor Oglesby Mansion is an 1870s Italianate style home of 3-time Illinois Governor, U.S. Senator and Civil War General Richard J. Oglesby. The mansion is located at 421 W. William St in Decatur, IL. The mansion will be open for tours every Wednesday and Saturday from 1:00 p.m. to 4:00 p.m. in June, July and August and the last Sunday of the month from 2:00 p.m. to 4:00 p.m. from March through November. Admission is $2.00. For more information call 217-921-0760.