At 630 feet, the Gateway Arch is the nation's tallest monument. It is part of the Jefferson National Expansion Memorial, established to commemorate westward expansion in the United States between 1803 and 1890.
In early 2010 the 18th Annual Gathering of Games Conference licensed this picture for promotional use and in 2008 the Kansas City Star newspaper licensed this picture for its tourism guide. Contact me if you are interested in licensing one of my pictures for your project.