Missouri is live on Travelog with one city, St. Louis, home to the Gateway Arch, a 630-foot stainless steel catenary curve designed by Eero Saarinen and completed October 28, 1965, the world's tallest arch. Grounds and the museum are free; a tram ride to the top costs $19-23 for adults, $14-18 for children 3-15, pricing includes a $3 National Park Service entrance fee.
The Gateway Arch carries a genuine engineering distinction as the world's tallest arch, worth understanding both the free and paid parts of a visit before going, covered in full below.
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