Maclay Mansion, also known as Rosehill Seminary and Gleim Mansion, is a historic home located at Tipton, Moniteau County, Missouri. It was built between about 1858 and 1860, and is a 2+1⁄2-story, five-bay, L-plan, orange-red brick dwelling. The main block measures approximately 45 feet by 36 feet and is topped by a gable roof. The house features a three-bay hip roofed front portico, massive end chimneys, a wide, bracketed cornice, and a two-story rear gallery.[2]: 2