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 Gateway Arch and Museum of Westward Expansion are located in downtown St. Louis on the Mississippi Riverfront. Both are open from daily 9 a.m. to 6 p.m., with expanded hours from 8 a.m. to 10 p.m. between Memorial Day and Labor Day. The Old Courthouse is open from 8 a.m. to 4:30 p.m. each day, except Thanksgiving, Christmas and New Yearâs Day. 1  Things To Do. Museum of Westward Expansion Under the Gateway Arch. 2  Things To Do. Visit These 15 Free Attractions in St. Louis. 3  Things To Do. Top 10 Tourist Attractions in St. Louis. 4  Things To Do.