Chicago Union Station is a major railway hub located in downtown Chicago, Illinois. Opened in 1925, it serves as a key terminal for several train services, including Amtrak and Metra. The station is known for its impressive architecture, featuring a grand waiting room with a high vaulted ceiling and large skylights. In addition to its role as a transportation center, Chicago Union Station is a popular destination for tourists and locals alike. The station offers various amenities, including shops and restaurants, making it a vibrant part of the city's urban landscape.