Bold costumes, music, dance and 10,000 people are the ingredients for the Bahamas cultural celebration Junkanoo, a festival with African roots. Starting on New Year’s Day at 2 a.m., costumed marchers take to the streets of downtown Nassau on Bay Street and parade until 9 a.m. Anyone with a costume can participate in the parade. Otherwise, view from bleacher seats, which cost $25-$50. Standing room is free. For more information, call 242-394-0445or 242-394-0446.…The first complete retrospective exhibition of the works of Gordon Parks is on view at the Milwaukee Art Museum (750 N. Lincoln Memorial Dr.; 414-224-3200) through January 10. “Half Past Autumn: The Art of Gordon Parks,” which opened November 20, features more than 200 of his photographs, his works as a filmmaker, his books and his music.…The National Portrait Gallery at Washington, D.C.’s Smithsonian Institution (F St. at Eighth NW; 202-357-2700) explores the life and work of legendary actor Paul Robeson in “Artist and Citizen.” More than 150 items are on display from January 29 to April 18, 1999, and include works on paper, sculpture, paintings, photos and historical artifacts.