The Milwaukee Art Museum will host a series of events and promotions around Halloween to promote its latest Andy Warhol exhibit. On Saturday, Oct. 31, the museum will be open from 10 a.m. to 5 p.m. Guests who arrive in a Warhol-inspired costume will gain admission to "Andy Warhol: The Last Decade" for half-price. The museum will also offer a Scary Scavenger Hunt in the galleries for special prizes. For more information visit http://www.mam.org/warhol/programs.php.