• 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 »

Photos & Multimedia

Click on "Photo Gallery" to see images of Jefferson National Expansion Memorial and images of some special events that took place at the park.

Click on "Multimedia Presentations" to get to JEFF PastCast, our audio walking tour and our videos.

 
Winter Sunrise at the Arch
Winter sunrise at the Gateway Arch, St. Louis, MO
Sue Ford/NPS
 
 

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...