140 Venita Drive
O'Fallon, IL 62269
Phone: (618) 589-3999
Fax: (618) 589-3908
Jefferson National Expansion Memorial
Mo to Su from 09:00 AM to 06:00 PMMaintained by the National Park Service, the Jefferson National Expansion Memorial comprises a 91 acre park along the Mississippi river which includes the Gateway Arch, the Museum of Westward Expansion and the Old Courtyard. The memorial was constructed to commemorate various historic events such as the acquisition of the region of Louisiana by the United States from the French and the subsequent westard expansion of explorers, the historic Dred Scott case which was heard inside the Old Courtyard and the foundation of first civil government to the west of Mississippi river. Learn about the history of the St. Louis riverfront and its surrounding areas through various memorabilia and artifacts. The Arch's construction is well documented in a film called Monument to the Dream and its shows are held inside the Tucker Theater built in 1968. The Odyssey Theater with a seating capacity for 255 spectators was added to the museum in 1993.