Archon 46, a Science Fiction Fantasy Event will be held at the Gateway Center in Collinsville, Illinois. The convention will be held around the clock, over three days, Friday through Sunday, September 29th - October 1st. See website for more info and to register.
The Gateway Center is a multipurpose event venue that hosts conventions, trade shows and more. It is conveniently located minutes from Downtown St. Louis in Collinsville, Illinois.
Please check the website listed on each event to get the most up-to-date information.