Midway, Union Station
Additional Details:
| Union Station, St. Louis, MO Union Station, 18th and Market Sts. The largest in the world, covers 11 acres. All trains into and out of St. Louis arrive and depart at Union Station. The Grand Central Hall has a floor area of 8,000 square feet. The Power House, which supplies power, heat, etc., to the station covers 10 acres |
