City Farm and Resource Center's fall celebration features food, drinks, music ,potato sack races and hay rides. Adults (over 19) $35.00 Youth (12-18) $10.00 Children (0 to 11) Free. Saturday, October 09, 2010 from 4PM-9PM. Buy tickets here. Great opportunity to tour of Chicago's finest examples of urban agriculture. Here's a cool video that explains what City Farm is and what they do in Chicago.