Centennial #6913 on display at the Age Of Steam Railroad Museum in Dallas, Texas. The museum is located in the Fair Park complex just east of downtown off of I-30. If you follow signs to the front entrance of Fair Park, the museum will be in the very back of the complex. The Fair Park is home to a number of museums, an IMAX theater, and the Cotton Bowl stadium. The Age Of Steam is also home to Big Boy #4018.