The Gateway Arch, also known as the Gateway to the West, is the iconic image of St. Louis MO. It stands 630 feet (190 m) tall, and is 630 feet (190 m) wide at its base, making it the tallest monument in the United States. Construction of the arch started on Feb 12 1963 and was completed on Oct 28, 1965. The monument opened to the public on Jul 24, 1967.
The Zoo
the zoo in st. Louis is free.
