What’s There To Do In St. Louis, MO Whether you’re visiting for a few days or longer, there are a ton of exciting things to do in St. Louis, MO. The atmosphere is exciting, the scenery is breathtaking and there’s a variety of things for all ages. Check out below some of the sights you must visit while you’re in town. Learn more here. Gateway Arch This breathtaking sight is a must-see while you’re in the city known as the Gateway City. This adventure is a ride up the 630-feet