Visitors to St. Charles County will find a vibrant blend of the past and the new, and plenty of things to do. If you’re planning a visit to St. Charles County, please be sure and check out the websites of the following Convention & Visitors’ Bureaus. They can help you plan your trip so you don’t miss out on all that St. Charles County has to offer. Learn the history of America’s westward expansion and visit Missouri’s first State Capitol, relax and soak up the sun in St. Charles County wine country, spend the day biking the Katy Trail along the Missouri River or enjoy some water sports in the Alton Pool—there’s sure to be something for everyone.