
Gateway Arch
United States
About Gateway Arch
Gateway Arch National Park, located in St. Louis, Missouri, features the iconic 630-foot stainless steel Gateway Arch, America's tallest man-made monument. The park commemorates Thomas Jefferson's vision of westward expansion and St. Louis' role as the Gateway to the West. The grounds include the Museum of Westward Expansion and the Old Courthouse where the Dred Scott case was first heard.