The Gateway Arch looks impossibly simple, but its strength comes from a carefully tuned catenary curve, deep foundations, and a composite steel and concrete structure built section by section. This ...

Add Yahoo as a preferred source to see more of our stories on Google. ST. LOUIS – Oct. 28 marks 60 years since the final piece of the Gateway Arch—the keystone—was lifted into place in the prized ...

Two men climbed the Gateway Arch on July 14, 1964, to protest the exclusion of Black workers from construction jobs on the ...

The nonprofit that supports Gateway Arch National Park wants to expand it into Illinois, plans to soon launch a fundraising ...

ST. LOUIS — June 30th, St. Louis once again celebrates Arch 630 Day, an annual event honoring the city’s most iconic landmark — the Gateway Arch. The celebration is named after the Arch’s unique ...

ST. LOUIS — St. Louis' Gateway Arch will look a bit different when the sun goes down next month. Starting on May 1, the LED lights that illuminate the Arch at night will be turned off to help ...

Taking a tram to the top of the arch is a must for every St. Louis kid. It’s never a bad time to revisit a beloved St. Louis institution, but #Arch630Day on June 30 (a.k.a 6/30 to represent the fact ...

Downtown St. Louis’ Gateway Tower near the Arch has been placed into receivership.

ST. LOUIS -- A light that appeared high over St. Louis' Gateway Arch is perplexing officials. The mystery started when an Illinois man shot video of the light early Tuesday morning and shared it with ...