Train enthusiasts of all ages are welcome at Harlem High School for the annual Rock River Valley Train Show. The show takes place from 10 a.m. to 5 p.m. March 29 and 10 a.m. to 3 p.m. March 30.

ROCKFORD — A model railroading and trains show took place at Harlem High School. It's put on once a year by the Rock River Valley Division of The National Model Railroaders Association.