• 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 »

Online Exhibits

Jefferson National Expansion Memorial online exhibits feature some of the various historic interpretative exhibits that are produced by the in-house Exhibits Department. Included in some of the exhibits are original artwork, maps, documents and artifacts. In addition, graphic reproductions are created to assist in telling the story if an original is no longer available or too fragile to be put on display.

Many of these exhibits are showcased in galleries in our Gateway Arch Visitor Center and in the Historic Old Courthouse. If you are unable to visit in person please return to this website periodically to view some of the exhibits online.

Constitution Day Exhibit

Women's History Exhibit

Emerald Ash Borer Exhibit

Did You Know?

Dinosaur cartoon

On September 10, 1804 on Cedar Island, in South Dakota, William Clark discovered the fossilized remains of the ribs, backbone and teeth of a plesiosaur. Plesiosaurs were animals who lived at the same time as the dinosaurs, but swam rather than walking on land. Clark thought it was a giant fish bone! More...