• Looking up at the Gateway Arch


    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 »

Nineteenth Century Timeline

The Museum of Westward Expansion charts the entire history of the 19th century American West, from the Louisiana Purchase to the closing of the frontier in 1890.

Click on a decade in the list below or at the bottom of each decade page to learn about the major events which shaped this incredible period, an era of major technological improvements, mass migrations, bitter conflicts, and epic exploration.

A broader timeline, with graphics, can also be viewed on the Lewis and Clark website, The Lewis and Clark Journey of Discovery.


Did You Know?

The Old Courthouse

The Old Courthouse at the Jefferson National Expansion Memorial was a gathering place for pioneers going west. It was also the site of several important nineteeth century trials which helped fuel major changes to the American way of life. To learn more about the Old Courthouse click here. More...