On the National Landmark of Historic Places, St. Louis Union Station was once one of the largest and busiest train stations in the world. Today it is home to the Hyatt Regency Hotel, dining, shopping, a lake, four active train tracks and a plaza for festivals

A massive, Romanesque-style building, designed by architect Theodore Link in 1894, was once the largest and busiest railroad terminal in the world. In 1976, the Saint Louis Union Station was designated a National Historic Landmark. After an extensive $150 million restoration, the facility, including an expansive 11.5 acre trainshed reopened in 1985 with a hotel, unique marketplace of shops, assortment of fine restaurants and cafes, live entertainment and a lake with boats ... all under one roof.