• Looking up at the Gateway Arch

    Jefferson

    National Expansion Memorial Missouri

Getting Ready for 2016

The National Park Service turns 100 on August 25, 2016. To us, it's not about cakes and candles — it's about being an organization ready to take on the challenges of our second century. Our blueprint to get there — A Call to Action — outlines the innovative work we want to accomplish. Jefferson National Expansion Memorial is a big part of this effort. Take a look at what we're doing locally and get involved!

 

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...