10. Go Up in the Gateway Arch
Full discretion: from a lifelong St. Louisan’s point of view, this is a bit of an overrated way to spend a day. Going up in the Arch is a little bit pricey, and it provides a view at the top that is very nice, but isn’t a whole lot different than one that you’d get by taking the elevator to the top of a high-rise office building downtown.
With that said, the Gateway Arch is without question St. Louis’s most defining landmark, and everyone is going to ask you if you’ve been to the top when you tell them that you’ve been to the city. It’s just one of those things that you have to do. The 630-foot Arch is still a sight to be seen, perhaps no more than when you’re right under it.
Also, for what it’s worth, The Museum of Westward Expansion under the Arch is very cool and provides plenty of history about the early growth of the city and our nation as a whole. It’s closed right now for significant renovations, but if you’re planning out your visit to the Gateway to the West a while in advance, perhaps it will be open for business again by the time you arrive.