Every hotel we have stayed in the US requires you to be 21 to check in and certainly with a 16 year old (unless as the poster said,you are both female) would absolutely not be allowed..If someone over 21 checked you in,it might be allowed but call the hotel and make sure.
Known by many as the St. Louis Arch or simply âThe Arch, this structure's actual name is the Gateway Arch. As part of the Jefferson National Expansion Memorial, the Gateway Arch stands as a monument to the westward expansion of the United States that occurred after Thomas Jefferson completed the Louisiana Purchase.
The Museum of Westward Expansion closed, pending installation of all new museum exhibits. As of March 2, 2015, entry-only ticket or tram ticket required to enter Arch. The nation's tallest monument at 630 feet, the Gateway Arch has beckoned visitors since June 1967. The Gateway Arch commemorates Thomas Jefferson and the role St. Louis played in the westward expansion of the United States.