The Museum under the Gateway Arch is a universally-designed, world-class museum that holds a free and accessible experience for all, featuring six interactive galleries. The galleries span over 200 years of shared St. Louis and American history inside one of the best museums in the Midwest.
Colonial St. Louis: Travel back to 1764 and understand how St. Louis came to be with a deeper look into our colonial history.
Jefferson’s Vision: Learn about the Louisiana Purchase, Indigenous People who helped them, their expedition tools and plants, and species they found along the way.
Manifest Destiny: Discover the conversations and controversies between Spanish explorers, Indigenous Peoples and American settlers in their movement west.
The Riverfront Era: The gallery will immerse you in moments past along the river and show you how the landscape was forever changed.
New Frontiers: Witness the city’s economic expansion alongside the industrial revolution, growth of the transcontinental railroad system and how the mythic West shaped thoughts within our nation.
Building the Arch: Examine the stories of the design, construction and lasting legacy of the Gateway Arch with Eero Saarinen’s vision and design.