Located in St. Louis, what is the tallest monument in the United States, at a height of 630 feet?
Midwestern United States of thousands of black citizens from the Great Migration and the Second Great Migration. The Gateway Arch monument in St. Louis, clad in stainless steel and built in the form of a flattened catenary arch, is the tallest man-made monument in the United States, and the world's tallest arch. Built as a monument to the westward expansion of the United States, it is the centerpiece of the Gateway Arch National Park, which was known as the Jefferson National Expansion Memorial until 2018, and has become an internationally famous symbol of St. Louis and the Midwest. As the Midwest opened up
One City Center (St. Louis) One City Center (St. Louis) One City Center (also called 600 Washington, St. Louis Centre, and sometimes spelled One City Centre) is an office tower complex and former shopping mall in St. Louis, Missouri. The 25-story office tower is the ninth-tallest habitable building in St. Louis at a height of . The mall was four stories with a green, white, and glass façade. When the mall opened in 1985, St. Louis Centre was the largest urban shopping mall in the United States, with over 150 stores with 20 restaurants in . The $95 million complex was originally to be developed