Chicago’s an exceptional gallery city, but this year we’ve especially been loving the lush exhibitions at Goldfinch in East Garfield Park, from Hyun Jung Jun’s whimsical, knobby candle creations to “Night Life,” a solo show by the painter Mari Eastman that’s on view through December 18. FYI: Those looking to start an art collection on a budget should check out the gallery’s Flatfiles program, which offers a selection of works from artists like Edra Soto and Anne Harris for relatively affordable prices (usually no more than $1,500, but sometimes as low as $130).