 The agency also maintains the online Texas Historic Sites Atlas featuring more than 300,000 site records, including data on Official Texas Historical Markers and National Register of Historic Places properties in Texas.The commission has main offices in the Capitol Complex in downtown Austin; the complex includes the Carrington-Covert House, Luther Hall, Gethsemane Lutheran Church, Elrose Building, and the Christianson-Leberman Building.Established in 1953, the state legislature created the Texas State Historical Survey Committee to oversee state historical programs.