A 630-ft stainless-steel arch completed in 1965; its width equals its height. Location: St. Louis, Missouri. Key figure: 630 ft. Part of the One State One Record (USA) campaign. Reference record compiled from public sources; not certified by The Book of World Records. Source: https://www.nps.gov/jeff/planyourvisit/materials-and-techniques.htm
Record no. MRB-2026-007195
World's Tallest Arch
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.