Famed, Elegant and Unique! Renovated from farmhouse to Mansion in 1872, Bowling Brook Mansion was one of the most significant horse training facilities in the nation boasting 7 Preakness winners. The mansion has been fully restored with elegant finishes while maintaining the original historic detail and charm. Located in Carroll County, Maryland and minutes away from Frederick County, Maryland. ballroom, a rustic barn, and a charming farmhouse, providing a range of excellent event spaces to suit any wedding vision and style.