CAPE GIRARDEAU, Missouri The Cape Girardeau Riverfront Flea Market is expanding its upcoming September event after a sinkhole affected part of the event area. Organizers said a sinkhole is located at the bottom of the Boardman Pavilion parking lot. https://www.kbsi23.com/news/cape-girardeau-riverfront-flea-market-expands-september-event-due-to-sinkhole/