St. Louis Union Station can be found in the heart of St. Louis, MO. The property, classified as a Lifestyle/Specialty Center, sits at Market & 20th St.. Since opening in 1894, St. Louis Union Station has been refreshed with a renovation completed in 1985. With 659,475 sqft. of retail space and approximately 90 stores, it offers a wide variety of shopping options. Visitors enjoy 1,590 parking spaces and a with 440 seats on the premises.