Originally the largest train terminal in the United States, St. Louis Union Station dates back to 1894. Now a National Historic Landmark, the station is open year-round and hosts a plethora of events, such as the Polar Express Train Ride in the fall and winter each year. It is also home to multiple eateries and museums, such as Gateway Burgers and the Memories Museum. The St. Louis Union Station Hotel offers families a place to stay, as well. With its location so close to other landmark attractions, like the Gateway Arch and Busch Stadium, St. Louis Union Station is a must-see on your next trip to the city.