The Gateway Arch is the tallest monument in the United States. At 630 feet, it is more than twice the height of the Statue of Liberty. The Gateway Arch honors all the settlers who passed through St. Louis, Missouri, on their way out west. But how was it made? Who designed it? Read this book to find out! Learn about many remarkable sites in the Famous Places series - part of the Lightning Bolt Booksâą collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Booksâą bring nonfiction topics to life.