June 30 marks Arch 630 Day, celebrating the Gateway Arch’s unique dimensions and history in St. Louis. Arch 630 Day honors the historic monument and its dimensions, which stand at 630 feet tall and ...

Learn surprising facts about the iconic St. Louis Arch, including its Gateway Arch height, unique design, fascinating history ...

Say goodbye to the summer slump with these engaging, insightful destinations that bring regional history to life.

A view of the Gateway Arch and the Millennium Hotel in St. Louis, on Thursday, July 24, 2025. The Gateway Arch Park ...

The "Arch Effect" myth claims the tall structure alters St. Louis' weather patterns. What really influences the city's weather is much more complicated.

Gateway Arch Park Foundation has closed on its acquisition of the Millennium Hotel in downtown St. Louis. Courtesy of Gateway Arch Park Foundation The lobby of the Millennium Hotel, which has been ...

The lights of the St. Louis Gateway Arch will be turned off throughout the month of May due to the spring bird migration season. According to the National Audubon Society, most birds fly at night.

The 110-foot arch was designed in 1963 and 1964 in response to the St. Louis Gateway Arch, and rises above the south side of the Palmetto Expressway, just west of the Golden Glades Interchange.

The Gateway Arch National Park updated its methodology for counting visitors, creating what it describes as a more accurate number. Park executives said that 2023 visitation was higher than 2022.