Learn more about the Westward Expansion era in U.S. history.
The Gateway Arch is a national monument in St. Louis, Missouri, that represents the beginning of Westward Expansion in the United States. This monument is a representation of Thomas Jefferson’s vision to expand the U.S. boundaries and is the tallest man-made monument in the nation. Missouri is a significant place where pioneers would travel and walk the trails that Lewis and Clark and other explorers had taken before them.
This elegant arch reaches up to 63 stories high and is made of 43,000 tons of concrete and steel. It was designed by the architect Eero Saarinen. Visitors have the option to take a tram to the top of the arch to get a bird’s eye view stretching out for miles. The Gateway Arch stands as a symbol that celebrates the many pioneers' courage who made the journey across uncharted land to make settlements in the West. This is a must-see monument for all who come to visit to learn more about American history.