At 630 feet high and 630 feet wide, St. Louis’ iconic Gateway Arch is the tallest arch in the world and the tallest monument in the Western Hemisphere. This National Historic Landmark was completed in ...

“I can’t believe this is a national park,” I said upon seeing the Gateway Arch in St. Louis. When I think about national parks, I imagine dense forests, solid rock formations, or other stunningly ...

This national park and its famous arch are dedicated to the country's westward expansion. The stainless steel Gateway Arch – an engineering marvel – was designed and submitted by Eero Saarinen ...