Weekend Picks: Whitney Biennial, New York Wine Expo and more

Whitney Biennial
The Biennial takes a look at the state of contemporary art through a variety of mediums, including sculpture, painting, photography, music, film and dance. (Through May 27, times vary by day,
$12-$18, Whitney Museum of American Art, 945 Madison Ave., at 75th St., 212-570-3600)

New York Wine Expo
Experience a weekend filled with all things wine. Two Grand Tastings give eventgoers the chance to sip from among more than 600 wines, and a variety of seminars are also being offered. (Fri.-Sun., hours and event prices vary, Jacob K. Javits Convention Center, 655 West 34th St., at Eleventh Ave., wine-expos.com)

The Secret Policeman's Ball
Coldplay, Jon Stewart and other huge names in music and comedy unite to benefit Amnesty International. (Sun., 7 p.m., $55-$505, Radio City Music Hall, 1260 Sixth Ave., at 50th St., 212-307-7171)

New York International Children's Film Festival
The 15th edition of the annual festival is screening more than 100 new films, all geared toward those ages 8-13, as well as offering workshops, question-and-answer sessions and special events. (Fri.-March 25, times vary, $10-$13, various theaters around Manhattan, gkids.com)