Standing 630 feet tall, the Gateway Arch, our nation's tallest man-made monument, anchors the Jefferson National Expansion Memorial and stands as the iconic monument symbolizing the westward expansion of the United States. Get your tickets from the Gateway Arch ticket center now located inside of the Old Courthouse. The Gateway Arch experience includes the Journey to the Top of the Gateway Arch, Monument to the Dream - an award-winning documentary about the construction of the Gateway Arch, the Old Courthouse featuring new exhibits in three galleries with artifacts relocated from the Museum of Westward Expansion which is now closed, and the Gateway Arch Riverboats. Open daily except Thanksgiving, Christmas and New Year's Day. Winter hours: 9 a.m. - 6 p.m., Summer hours: 8 a.m. - 10 p.m. Limited accessibility. Tickets required for entry. Advance ticket purchase highly recommended.