Chicago Union Station is a famous and historic transportation center in the West Loop neighborhood of Chicago. It was designed by Daniel Burnham and completed by Graham, Anderson, Probst and White, and features beautiful Beaux-Arts facades, marble floors, and a stunning Great Hall with massive Corinthian columns and a barrel-vaulted skylight. The station is a major hub for six Metra commuter lines and Amtrak's flagship station in the Midwest, connecting to multiple transit authorities.