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 ...

There’s hardly a more recognizable landmark in the Midwest than the Gateway Arch in St. Louis, a monument honoring Thomas Jefferson and his ideas for America’s westward expansion. Reaching 630 ...

Visitors can learn more about the arch's construction, Colonial St. Louis, the Lewis and Clark Expedition and more at the Museum at the Gateway Arch, which is located beneath the arch and houses ...