This city’s Gateway Arch, 630 feet high, is the world’s tallest and most slender. Together with the Washington Monument, the Eiffel Tower and the Great Pyramid of Giza, Eero Saarinen’s ...

The Arch was completed in 1965 and has been among the most popular attractions in St. Louis since then, drawing more than 130 million visitors. More improvements are in the works.

The "Arch Effect" myth claims the tall structure alters St. Louis' weather patterns. What really influences the city's ...

The Gateway Arch in St. Louis was conceived in the 1940s and completed in the 1960s. It was designed to symbolize the opening of the West. Here, it is shown under construction on June 17, 1964.

Photo: BENJAMIN SCHERLISS/Gateway Arch Park Foundation. St. Louis. This city’s Gateway Arch, 630 feet high, ... for it is the only one you can draw with a single continuous line.

The Gateway Arch in St. Louis was conceived in the 1940s and completed in the 1960s. It was designed to symbolize the opening of the West. Here, it is shown under construction on June 17, 1964.