The Gateway Arch is a 630-foot-tall monument in St. Louis, Missouri, clad in stainless steel and built in the form of a weighted catenary arch. It is the world's tallest arch and the tallest man-made monument in the Western Hemisphere. Designed by architect Eero Saarinen in 1947 and completed in 1965, it honors the westward expansion of the United States and the pioneers who helped shape the nation. Visitors can take a unique tram system to the top for views stretching up to 30 miles in every direction. The arch is the centerpiece of the Gateway Arch National Park, which also includes the Museum at the Gateway Arch. This landmark serves as a symbolic "Gateway to the West" and remains an architectural marvel that combines mathematical precision with sleek, modern aesthetic beauty.
Location: Missouri, USA
Coordinates: 38.6251269, -90.1867504
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