Say hello to Mr. Geo, everybody's favorite geography teacher He loves to explore new places. Today he is visiting Illinois, the Prairie State. His first stop is Chicago for a colorful kite-flying festival and a visit to the Field Museum to see the biggest T Rex skeleton ever found He's also going to ride riverboats, see amazing skyscrapers, work on a farm, climb the mysterious Cahokia Mounds, and see historic places where Abraham Lincoln lived and...