A trio of family-friendly activities put on by Arlington's parks department are slated to take place next weekend. Among the events are two festivals, one offering the chance to make autumnal crafts pilgrim-style and another celebrating Latin American culture. Fall Heritage Festival Next Saturday, Oct. 14, from 1-5 p.m., the county is set to hold Arlington County Parks & Recreation is set to host a weekend filled with family-friendly activities next weekend.