St Louis is one of the largest cities in Missouri. Located along the Mississippi River, where Missouri meets Illinois, St Louis is famous for being the gateway of America’s westward expansion. St. Louis is a large and major city in the U.S. state of Missouri. It is by the Mississippi River. It was founded by the French. It was named after King Louis IX of France, who is also a Saint. It is often called the Gateway City because it was important to settlers traveling out west. Spain took over in 1763 and a trading company led by Pierre Laclede and Auguste Chouteau established the settlement of St. Louis in February 1764. It attracted French settlers leaving Illinois after their defeat in the Seven Years' War. Louis has four professional sports teams: the St. Louis Cardinals of Major League Baseball, the St. Louis Blues of the National Hockey League, St. Louis City SC of Major League Soccer, and the St. Louis Battlehawks of the United Football League. Ranking of the top 23 things to do in St. Louis. Travelers favorites include 1 Gateway Arch National Park, 2 St. Louis' Forest Park and more. Neighborhoods Maps, details, contact info, community groups, parks, and other info about St. Louis City neighborhoods. Discover 25 things to do in St Louis with family and friends, including iconic landmarks and local experiences to enjoy together. From cheering on the Cardinals at Busch Stadium to exploring the whimsical City Museum, from savoring Italian cuisine on The Hill to uncovering the city's musical legacy, St. Louis is packed with experiences that will surprise and delight visitors of all ages. Things to Do in Saint Louis, Missouri: See Tripadvisor's 282,788 traveler reviews and photos of Saint Louis tourist attractions. Find what to do today, this weekend, or in November. We have reviews of the best places to see in Saint Louis. Visit top-rated & must-see attractions. Discover the best of St. Louis, Missouri! Plan your next visit with our helpful guides, tips, and recommendations. Start exploring today!.