• Looking up at the Gateway Arch

    Jefferson

    National Expansion Memorial Missouri

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  • Summer Hours

    Extended Summer Hours for Jefferson National Expansion Memorial starting Memorial Day weekend, Saturday, May 25, 2013, through Labor Day, September 2, 2013, the Gateway Arch hours are 8:00 a.m. to 10:00 p.m. More »

Self Guided

Can't schedule a Ranger-led tour? Try our new Scavenger Hunt! (Don't forget the Answer Key).

You may also try a Teacher-led Tour Kit.

The kit includes:

  • A "possibles bag" of hands-on objects for either the Old Courthouse or the Museum of Westward Expansion.
  • A teacher-led guide to use during your visit. Choose from either the Museum of Westward Expansion: Life in the West or the Old Courthouse: St. Louis: Past and Present.

Free videos and DVDs are available for loan for showing in your classroom. Visit our Media Loan page.

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...