Gateway Arch
Eero Saarinen · St. Louis, United States · 1965
The Gateway Arch is a 630-foot (192-meter) stainless steel monument in St. Louis, Missouri, designed by Eero Saarinen and completed in 1965. It commemorates the westward expansion of the United States and serves as the centerpiece of the Gateway Arch National Park. The arch is an elegant example of mid-century modern design, characterized by its minimalist form and innovative structural engineering. Its inverted catenary curve form is not just aesthetically striking but also structurally efficient, distributing its immense weight evenly to the ground. Visitors can ascend to an observation deck at the arch's apex via a unique tram system, offering panoramic views of the city and the Mississippi River. The Gateway Arch remains a prominent symbol of St. Louis and a significant achievement in modern American architecture.