Limestone County Texas has 6 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Texas Hall, Old Trinity University and Vinson Site, Booker T. Washington Emancipation Proclamation Park, Johnston, Joseph E., Confederate Reunion Grounds and Liberty Square Apartments.
Some of the country's most noteable architects helped create the Limestone County places including Bentley-Gordan and Associates, Norris and Pace Pierce and Johansen. Prominent architectural styles found in Limestone Country are Apartment, Late Victorian and Second Empire.