St. Louis
A city in Missouri, USA, located on the Mississippi River.
What is it?
St. Louis is a major city in the midwestern United States. It is known for the Gateway Arch, a huge stainless steel monument. The city is on the Mississippi River, which was an important route for trade and travel.
Why it matters
St. Louis was a starting point for many pioneers heading west. The Gateway Arch was built to honor them. The city also has many museums and parks.
Where you've seen it
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