Ray County Missouri has 6 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Dougherty Auditorium and Watkins House, Mansur, Isiah, Farmstead Historic District, New Hope Primitive Baptist Church and Ray County Courthouse.
Some of the country's most noteable architects helped create the Ray County places including George F. Barber, Shepard & Farrar, William Garver, Woodson Alnutt and Warren Roberts. Prominent architectural styles found in Ray Country are Classical Revival, Greek Revival and Queen Anne.