Why was the Gateway Arch built?

Built as a monument to the westward expansion of the United States, and officially dedicated to "the American people," it is the centerpiece of the Gateway Arch National Park and has become an internationally recognized symbol of St. Louis, as well as a popular tourist destination. read more

Gateway Arch Built The Gateway Arch, also known as the Gateway to the West, is an integral part of the Jefferson National Expansion Memorial and the iconic image of St. Louis, Missouri. It was constructed as a monument to the westward expansion of the United States. read more

The structure was built as a monument to the vision of President Thomas Jefferson and to St. Louis’ role in the westward expansion of the United States. That’s why both the Arch and St. Louis are often referred to as “the Gateway to the West”. read more