• Looking up at the Gateway Arch

    Jefferson

    National Expansion Memorial Missouri

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  • I-44 Ramp at Walnut St. to Close This Weekend

    The Missouri Department of Transportation will close the ramp from eastbound I-44 to Walnut this weekend. Crews will close the ramp (Exit 291B) into downtown at 9 a.m. Friday, July 25 so crews can remove the remainder of the old ramp from the Poplar St. 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?

Black dog

Meriwether Lewis took his Newfoundland dog Seaman on the Lewis and Clark expedition? Seaman made the entire trip with the Corps and is credited with waking the members when a bison entered the camp and almost trampled them. Click here to learn more about Lewis and Clark. More...