side view of the gateway arch in st. louis against a stormy sky from far away.

630foot accessible american arch architecture art away bars building built capsule catenary clad commission competition construction cranes dedication destination endeavor engineer expansion expressionism far form gateway hemisphere historical history innovation internationally louis manmade marvel memorial missouri missouris monument national nps park people recognized safety saint scissor service shiny side significance sky spiral stainless states steel stormy structural stunning style symbol tallest tension the time top tourist travel triangles truss united view weighted welcome western westward worlds