• Looking up at the Gateway Arch

    Jefferson

    National Expansion Memorial Missouri

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  • Pedestrian Access to the Gateway Arch From Downtown

    Pedestrian traffic on the Chestnut, Market St. and Pine St. bridges are closed. This leaves Walnut St. as the only point of entry to the Arch grounds from the city. If you park in the Arch garage there is access from the north end of the park. See maps. More »

Museum of Westward Expansion

Welcome to the Museum of Westward Expansion!

The Museum of Westward Expansion preserves some of the rarest artifacts from the days of Lewis and Clark. Through our exciting exhibits, you can explore the world of the American Indians and the 19th century pioneers who helped shape the history of the American West. See our Lewis and Clark Mural Photo Exhibit by clicking here.

Explore the links in the upper left column to learn about the Museum's many other exhibits and activities.

Interactive Museum Tour!

Unfortunately, in our migration to a new server, the interactive tour is not working. We hope to someday have it restored but for now you can read the content of the tour here: read the Museum Tour content.

Did You Know?

Drawing of Dred Scott from Frank Leslie's Illustrated Newspaper, 1857

In 1846, a slave named Dred Scott sued for his freedom at the St. Louis Courthouse. His case went all the way to the Supreme Court, where the verdict set the stage for the Civil War. Today, the Old Courthouse is part of the Jefferson National Expansion Memorial. Click to learn more about Dred Scott. More...