Important Notice:We have made the tough decision to say goodbye to the Foursquare City Guide mobile app, effective December 15, 2024, with the web version to follow in early 2025. Visit our FAQ for more information or to download our Swarm app.
HISTORY: The Gateway Arch, also known as the Gateway to the West, is the tallest national monument in the U.S. Construction began on Feb. 12, 1963, with the last section put into place on Oct. 28, 1965.